Trump is an expression of a broke, demoralizeed and exhausted empire that realized that it can't afford its hegemonic ambitions anymore and comes to term with the fact that it must find an arrangement with the other powers that occupy this world.

The main job of the this and the next presidential administrations is to perform an orderly retreat from the overstretched boundaries, retrench and consolidate its powers.

The talks in Ryadh have the purpose of reconstructing basic diplomatic relations with two of the three major nuclear nation states and create the basics of the a new security architecture that became imbalanced over the last two decades.

County 404 is only one of topics discussed because the context of US/RF relations is much bigger.

I don't think the official readouts ever claimed that the talks are focused on Ukraine. Everyone just assumed it because it's the most public issue.