Women married to men who watch porn: where do you draw the line?

I do not watch porn but my husband does. He is into pretty normal stuff, nothing extreme. Usually it's just a man and woman having sex (like amateurs) or oral.

I recently found out he's using OnlyFans and a few free cams as well. When we talked about porn, he never mentioned live cams. Porn doesn't appeal to me, but using cams is a huge no! I don't like him dealing with business while someone else is doing the same, at the same time.

He's not completely on board with giving this up because he's watched live cams for years. He sort of understands that to me, there's just another level of involvement when you're watching a "live show", especially when you're paying for it and making requests. It's just so odd that he enjoys live cams but refused to go to a strip club for a buddy's bachelor party. I think it's the anonymity factor.

Anyway, with women who have partners who watch porn, where do you draw the line?

EDIT: I talked with him about his involvement and he says it's normal to make comments and interact/ask for specific things.

I told him this is where I think he's crossing the line. When content is tailored SPECIFICALLY to you (and not a fetish, like you ask for something specifically and the cam girl/creator provides it) it's no longer ok. I told him I don't think it's cheating but it is headed into the territory of cyber sex which IS cheating.

I told him that I am not comfortable with any level of interaction and that he needs to stop accessing live cams and requesting content. I told him this does not make me comfortable. Freely available LEGAL videos anyone 18+ can access? Great. But no more live cams.

He told me this is ridiculous so I said, "If it's not a problem, are you comfortable if I start accessing live cams when I have alone time? What if I ask for specific things? What if I start creating content specifically tailored to people who pay?" He got it. He said that it made him feel uncomfortable and I said that's exactly how I feel!