[FlameRobot]

> I've found the opposite to be true. If I engage with a video in any way shape or form, even to say I don't want it, they consider that engagement

I don't think that is the case. If I click Not Interested. Similar video don't show.

> Now you get baited with Member Only videos too. I'm already paying you $30 a month..

To members? Or to YouTube to remove ads? If it is the former, you have shown YouTube that you are willing to pay for memberships, so they going to recommend them.