Agreed. There is far more dignity in going to a brothel. There, you must interact with the real world and an actual human being; the safety of the screen is not present. There is only reality. Onlyfans, though, is the misdirection of desire into self-destructive ends that have no mitigating factor of messy human interaction. OF is nearly pure subversion of the erotic into wasted energy that would be better-directed to or for nearly anything else.
A brothel exists as a neutral artifact of craving that cannot then be satisfied elsewhere. And due to its realized existence in the physical is a negotiation with the world as is. However, OF is the corruption of the real, a simulacrum that leads to only more yearning, lesser fulfillment, less affection with no final satisfaction. OnlyFans rather acts as yawning void that consumes any possibility of eroticism and true fervor in a sea of tributes to Moloch enacted via 1990s video game mechanics.