Maybe because “the party” shouldn’t be concerned with special rights for chosen behavior. Smaller government isn’t a riddle. We will welcome them for reparation and healing in faith-based or non-faith-based organizations but giving them ANY political accommodation is contrary to everyone but Liberaltarians.
It's not contrary to Bush's thinking.
One doesn't have to agree with a group to accept their vote or support.
That's Ronald Reagan's accommodation, and it's pretty wise.