Completely unrelated-
Just my observations from Rosh Hashana and the very modern shul I attended:
I really, honestly, truly don’t care what color your shirt, suit and yarmulke are (though the guy dressed completely in pink was a bIT much). My only pet peeve, however, is that it’s really not bakavodik on Rosh Hashana to wear a Yankees yarmulke.
It was just a really funny image at an unfunny time by kedusha when the guy opening the aron at the end was all solemn but in this sports theme yarmulke.
/endrant