The model is conservatism, not identity politics.
I agree, but being a Texan, I fear, say 15 years from now, the urban centers (Dallas and Austin currently and Houston, San Antonio, and Fort Worth in the near future) as well as South Texas will trend Democratic on the backs of Hispanics. So I’ll concede this may be identity politics, but at the same time the Democrats have played this game to their advantage for the past 50 years.
Unfortunately, if you look at exit polls, minorities do vote as race blocks, even if it goes against their self-interest. So identity politics does play a role, maybe not in the overall vote total on the national scene, but in local and state races. I’ve seen this first hand in Dallas County, TX.