Or--they're attempting to chip off a few votes from the GOP, as the religious are a reliable and helpful constituency. It wouldn't take much in a few vulnerable elections to turn one or more Houses--Senate or Reps--to the minority party.
Or--there is a libertarian/ACLU mentality which cannot bear to have the religious have any say in public life, no matter how they've earned it in grassroots mobilization and voter services.
Could be some of the above.
Your line of argument is so postmodernist. Ignore the content of a "text" and concentrate on discrediting the motives of the authors.
I suspect you are incapable of presenting one cogent argument against evolution based on anything other than personal attack. Prove me wrong.
Paranoia will destroy ya.