Really, it's not. But it's possible to be damn annoyed to have to "do as the Japanese do" when not in Japan or with Japanese people. Few things bug me like being called "Josh-san" or being bowed to when I'm in "American-mode".
yeahhh... MY NAME IS NOT SAN
my name is Maggie not Sempai!
This is Florida dude!
..with that said, I like the hakama...looks cool.