The GOP has problems with blacks, Latinos and single women. They need to appeal to those groups somehow or be locked out of the White House.
For that to happens the GOP must embrace more welfare and entitlements, open borders, and free contraception and abortions. And even if/when that day comes? True conservatives won't support that RINO candidate. And America will elect the liberal democrat anway. And a repeat of 2008 and 2012 will be the norm.
No, the only way the GOP will be relevant some day will be in an "I told you so" manner. When (not if but when) America fails socially and economically, we conservatives who are left will have to pick up the pieces of a broken, failed America and try to re-introduce sound fiscal and Constitutional principles once again.