Ah, me and my funny old fashioned ideas. How does the old phrase go? Self praise is no recommendation?
The same ought to go for applause. It is now almost standard practice on tv game shows and quiz shows for winners to applaud themselves. Yes, we know you are good because you won, but leave the appreciation to us. No, I don't want you to bow while we applaud, but a little humility would be nice. Next thing they will be throwing a fist up into the air, another unfortunate form of self praise.
Greed is good, winning is all.
Bah, bad mood today. Must be the christmas cake brandy I had last night.