Please someone explain

So I've heard people say the term fujoshi is proof of a fujoshi fetishing gay men but how? Fujoshi and fudanshi are both homophobic terms yet nobody talks about that they instead insist that fujoshi is a term for fetishing gay men when there's no proof, though most fujoshis read yaoi the term means dirty or rotten girl for liking bl not yaoi specifically same for fudanshi indicating they are dirty for liking to read about gay men period not just gay men having sex, mocking people who read bl and mocking gay men it's a homophobic term but I see no proof of it being one that glorifies fetishing gay men