Whore isn’t really gendered? There are more female whores than male whores in sex work but there are more male whores in politics than female. It is an insult about submission and service with a sexual connotation.

I think you’re seeing a difference in cultural weighting of common profanity. I’m from the deep south of the US.

I’m used to cunt being considered more offensive than whore. Whore is a milder obscenity than fuck, shit, or cunt. It is similar to slut, dick, or piss.