Depends on his countenance and how good a mood I'm feeling in!
In any case I might well ask how much time went into at least reviewing the output. Or I say (rather than a flat AI;WR) "I'll scan that and have an AI summerise it for me later".
If not, I would politely keep my mouth shut, then pocket the flier to trash later, and on the way home I would complain about it to my wife.
Right, exactly, that's what you'd do whether he spend 10 hours on it or 10 minutes.
I would crumple up the flyer, throw it on the ground, and then ask for another one. Then I would crumple up that flyer, throw it on the ground, and ask for another one. I would repeat this until he refuses to give me another flyer.