To a degree I see your point. I personally have no theological problem with theistic evolution, and I have no personal problem with skeptics who accept and keep Christian values.
However, it appears undeniable that the evolution was used as an excuse to reject our foundational values leading to some of the most horroific events in the history of man, so regardless as to the extent of its influence on biodiversity it is important to keep in mind that there is a value system which far transcends it and someone to which we will be held accountable for our acts.
It is the equivalent of tying your beliefs into Jim Jones in order to discredit you and your beliefs.
Hitler gets thrown at us a lot, although less and less it seems with Weikert's book and the release of the OSS papers showing his plans for Christianity.
Name an idea that cannot be misused or corrupted.
Or alternately, give a reason a potential tyrant would promise hell on earth for his followers.
The archetypal evil totalitarian is Big Brother. Think about that.
Science was called upon by 20th century tyrants because science was associated with good things -- medicine, labor saving devices, bounteous crops, and so forth.
Religion has been misused in the same way.