A women gm isn't that strong it seems
Well ... It was a blitz game. It's easy to blunder in those.
I've also beaten a lot of male titled players in blitz, as well. So it's not really about the gender.
Some days you play excellently. Other days, you miss everything. It happens to all of us.
I'd say you might be answering a question no one's asked, or should ask, as if it's a battle of the sexes.
She's one person and better than 99.9% of chess players in all the world.
Is she unbeatable? No.
Not even, arguably the best player in history, Magnus Carlsen, wins all his games.