[RandomBacon]

Or the person who wrote that might genuinely believe that Satoshi was female.

I don't like reverse-sexism/racism/etc because adding the term "reverse" doesn't stop it from being sexist/racist/etc itself, but Hacker News guidelines say we should "respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. Assume good faith."

[0-_-0]

Satoshi (さとし, サトシ) is generally a masculine Japanese given name

[RandomBacon]

Using a screen name of the opposite sex is a good way to help hide one's identity. I wouldn't read into it.