Party doesn't matter. Ds need to inform their R Congresscritters every bit as much as any other combination.
For what it's worth, Republican constituents overwhelmingly voted for Trump in the R primary. Any number of candidates would have provided boilerplate Republican policies, but that wasn't what they wanted.
What Trump is doing is what these voters want.
And there's no limit. It's become an illiberal pro-authoritarian movement. It's in-progress.
Pick something you care about and defend it. It can't be everything all at once at all times, no one can do that.