Endorse "good" gays like Jim Kolbe and Mark Foley and what do you get? One calling for gay marriage and one resigning in disgrace.
Those people are cancers in the GOP and end up doing far, far more harm than good.
I did not "vote" for Foley or Kolbe.
But, you go ahead and leave the GOP over the issue. It will survive and you will have lost the best political home you have ever had.