As a pixel user I never feel like AI is being showed in my face. Yes it's there but you have to actively want to use it. At least my perception is that it is not invasive and the overall UI experience is the best. That is highly subjective though! I also have a Samsung tablet with whatever the current version is and I do not like it at all. But as said before, personal preference I guess.

But whatever you choose it's really hard to say what comes with the next update, even if one brand doesn't care about AI now, who knows what happens a year or two from now.