The Republican Party is a big tent party that lacks that discipline because of the nature of the coalition. California republicans aren’t voting for the party of religion, but are socially conservative, for example.
Retail politics isn’t a thinking man’s game, but liberalism by its nature is always going to be the more craven, irrespective of party.
> see what I did there? not trying to be preachy, but if you have the illusion that your party is superior be assured people from the other party feel the same way and both sides have fallen prey to tribalism.