Anil, atheism is probably one of the most rational viewpoint one can hold, but anticlericalism can also turns into a dogma and, in your belief, you are ommiting a lot of details.
You are once again assuming that the Church and believers take the Bible for a scientific textbook, while it's very often not the case. That the Church didn't promote scientific research itself, in desire to find God and confirmation of their beliefs.
Similarly, you claim that scientists would get burn at the stake solely because their research went against the Bible. I'm not sure this happened even during the strongest moment of the inquisition... Gelileo for example was initially "friend" with the pope, got a lot of support from the Church, and his condemnation had more to do with political game than heliocentrism properly speaking - the intial refusal for his work being 'I think it's not supported enough" (I caricature, but I won't make that novel longer).
It's forgetting that many scientists were supported by the Church or directly emerged from the Clergy; again, Catholicism never has been "just" this dark anti-knowledge institution described nowadays, without any nuance. It sure has been reluctant to some discoveries and changes, but it also has promoted many research like I just said, saved some others etc. The reality is much more nuanced than a plain " Church = dark age".
On Darwin specifically, you are vastly exaggerating what happened. Darwin was worried about controversy, but a lot of delays can also be blamed on Darwin being a perfectionnist turtle.
It seems particularly unfair to say that "The Church" labeled his work as "abomination" or "diabolical". The "Church" (Vatican) never condemned publicly the Theory of Evolution, and if some religious leaders firmly opposed it, some others accepted it quickly when faced with the arguments and observations provided by Darwin. That's aprticularly the case in Britain, where the Anglican Church was mixed...
Again, a good bunch of the scientific community back then also belonged to the Clergy. Most often, opponent actually engaged in honest and serious discussion with Darwin. A very famous opponent to Darwin until his death is actually Jean Henri Fabre, an eminent enthomologist who, despite being religious, yes, wasn't a member of the clergy himself (and interestingly, that didn't prevetn Darwin and Fabre from becoming friends).
I also have to bring another correction: The work of Darwin never placed Humans and other species at the same level. It stated that we had a common ancestor; but not that humans were morally equals to other species. Darwin himself had ideas you would find very questionable about some ethnicities (my guy, even him can't be always right)...
How can we accept any complementarity between two opposing versions of
the creation of the world? On one hand, instantaneous genesis with a
perfect world; on the other, slow evolution over billions of years.
I already said that in my previous post; Genesis and Evolution are not incompatible and Darwin himself believed that both are perfectly fine together. Evolution is how life changes over time, not about its origins. Again, it depends on your reading of the Bible, but yours is only allowing a literal view of it, which is not the most common view in Christianism nowadays.
I would also add a small note: Evolution is not always slow and can potentially get really fast over a few thousand years. There are a few details and models, hypotheses... ongoing in the field in this regard, the one I mentionned here being the "punctuated equilibrium" model.
John Paul II may have said that evolution is more than a hypothesis, but
he didn't go so far as to say it's a truth. Maintaining ambiguity on
this subject is the only strategy that allows the Catholic Church and
religions in general to endure.
I believe you are mistaken here. What is implied in John Paul II speech is that Evolution is a scientific theory; hence the best model to explain what we observe in absence of something better. His "better than hypothesis", alongside with the rest of his speech, shows clearly his understanding of the scientific vocabulary.
If this former Pope didn't believe in Genesis, did he believe in the
rest of the Old Testament, where various absurdities and horrors are
part of the word of God?
Circling... but it seems I got my response. If the Pope admits Evolution, then, in your mind, he can't believe in Genesis despite being the Pope.
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It looks like it's impossible for you to fathom that religious are not necessarily reading the Bible in a literal way. Just because you have a literal reading of a text doesn't mean everyone has to be like you, Anil, and this is a dogmatic view too.
There are still some oversimplifications I made, but eh... I guess it's good enough and I suppose i should stop here or it will be repetitive