I totally agree. It's also one thing where she never even specified she wants to be identified as a man, it's always "I am Oden", that's just her quirk. Unfortunately, yeah, people want to push gender debates into everything for whatever reason, which is honestly really grating the more this sort of thing goes on. Characters like Kiku *specifically* mention they identify as another gender, and that's perfectly fine, but the Yamato thing for me will always headcanon created by people who see gender before they see character