I'd assume Islam would have a pretty tough time too, as the centuries of accreted dogma needed to be updated from a human-centric to intelligent-life-centric pe

I'd assume Islam would have a pretty tough time too, as the centuries of accreted dogma needed to be updated from a human-centric to intelligent-life-centric perspective. The stronger the dogma, the more heretical change is. And there are a lot of very dogmatic Islamic branches.