The example is so anodyne and the pattern of CoC changes so regular that I can't help but expect that this was opportunistic - waiting for any such example to jump on and institute these changes.
The goal is to grant all offend/ed/ parties total, unimpeachable power against purported offend/ers/, and no amount of 'protected classes' cover removes the fact that this enables the same bad faith that harassing parties abuse, just for a different group.
Hold everyone to the same high standard. Period. Done. None of this thumb-on-the-scales nonsense.
Something doesn't have to exist as a certain quality for a subset of people to determine that it may be perceived as "too much a likeness of some THING".
In short: You can be banned for talking about pasta in a noodles forum. That doesn't mean pasta is not a noodle.
It's not sexist. Them banning it as sexist does not make it sexist.
Every day I wake up to the programming community becoming more pretend, more fake, more toxic and less open. Ironically the very thing it is trying to distance itself from.