You don't have to be offensive to prove a point especially when people are trying to help. You can just go with one of your initial suggestions and use another pool and I just end the conversation here.
Actually, I wasn't offensive. I simply highlighted that if you don't give a shit about your privacy that doesn't mean you can expect everybody else feel the same. I have no idea why you would get offended by that but if that happened to hit home with you and you get offended by the fact that I don't follow your feelings about privacy, I really can't help you with that. This is why we don't have proper political discourse anymore.
Also, regarding help, disabling cookie managers or whitelisting MPH doesn't do much because as stated previously I have already tried the latter and surfing few days collecting a million cookies because one site keeps resetting its session doesn't sound a good deal to me. Also, this doesn't happen with any other sites, so I'm a bit skeptical that it's in my setup.
By the way, saying stuff like "nobody else has the problem" with a sample size of one doesn't make me very confident of the validity of the conclusion hence my skepticism.
I do agree that this discussion is pointless because neither of us can fix the real issue with the login security and pinpoint why this happens starts to look pita to find out.