For someone whining about bad writing, it seems like even the 3 or 4 essentially identical scenes of Kenobi trying to keep his head down while obviously just going through the motions weren't enough to communicate to you that he's not the exactly himself anymore.
And people being bad at being incognito isn't exactly a trope that's limited to the Dreaded Disney. How many scenes are there in movies or shows with someone trying to sneak around in an totally-not-suspicious baseball cap, sunglasses, and a hood pulled up over their head...