So Mr. "I lift things up and put them down" got his panties in a wad because Gaston one upped him... priceless.
Sounds to me the CM playing Gaston did his job and did it perfectly. The fact that he irritated you that much, I woulda been rolling if I were somewhere in that line and could've seen it. Heck, I would've been helping to egg him on at that point, just to watch it irritate more, lol.
Gaston has some of the most self-indulgent attitude of any character. It's just who he is.
I mean, what can you expect from a guy who eats 5 dozen eggs everyday to be the size of a barge? He's literally gonna hit on girls and insult their boyfriends, husbands, male friends, etc... It's one job that some guy loves because yeah he's encouraged and bound by the job to do so.
ETA: These face character meets can go in many different directions. It's up to you to play along if the character takes over.
By the way, Gaston can be an azz to anyone, you just have to know how to be like the little girl in this video to be able to respond: