Thank you very much! in that case I'd be ok with the down votes. But the first reply I got here from someone I assume who is in charge of HN was "OP is a man" so I can't help but wonder what's really going on in the minds of these down voters.
2) Any pronoun in that case would be superfluous. "Holy crap! Congratulations!" would be far more intuitive to native english speakers. Choosing to add a gendered pronoun without knowing the correct gender is just... odd. That's exactly the type of situation most would avoid where possible: you omit gendered pronouns unless you know.