I can claim to be a Christian (which I do) and an evolutionist (which I am not.) That would be a lie, of course. I believe it also can be a lie to claim to be an evolutionist (which one may be) and a Christian (which one may not be). Simply claiming to be a Christian does not make one a Christian. In fact, Jesus Christ said: "Not everyone saying to me, 'Lord, Lord,' will enter into the kingdom of the heavens, but the one doing the will of my Father who is in the heavens will. Many will say to me in that day, 'Lord, Lord, did we not prophesy in your name, and expel demons in your name, and perform many powerful works in your name?' And yet then I will confess to them: I never knew you! Get away from me, you workers of lawlessness." (Matthew 7:21-23) Remember it was largely professed "Christians" that bloodied the world with not one, but two world wars, and many smaller but deadly conflicts, in direct contravention of Christ's teachings.
Don't you think that your comparison of Christians who try to reconcile their beliefs with modern scientific theories to those who started the two world wars and calling them liars may be offensive and insulting to them?
Most people who accept the theory of evolution don't do so because they chose to; they do so because they found it convincing enough to accept as true. I never 'chose' to accept it. In fact, I actively tried rejecting it because of people who have done the same thing you are doing now and labeled those who accept evolution as "misguided," "fake believers," and "whimsical," among other things.
Perhaps when some Christians cease viewing the world through a black-and-white lens where merely accepting established scientific theories is enough to doubt others' sincerity of belief they will be following what Jesus actually taught — that is, instead of being "largely professed 'Christians'" who judge others and accuse them of lying.