Enforcing the laws of the land(tall order)would keep Hispanics as a growing but still negligible voter block for decades to come..."IF"...the GOP can project the right message/messenger to the voters AND actually do their jobs as legislators.
All that aside...the biggest threat for the GOP is(and will continue to be)...single/young white females...they are the fastest growing/largest demographic despite what the propaganda media tells us.
Hollywood/academia('rat "McCarthyism")has been and will continue to be the democrats 'rat factory.
Without an "affirmative action" type plan/demand for ideological balance there...'rats will rule for generations.
Liberal economic policies/consequences will mean nothing...because gov. can/will just borrow/print whatever it needs for whatever crisis it creates faces.