The only thing controversial is you saying someone with a differing opinion is acting like a 9 year old. This is only serving to further reinforce the general feeling that PMs are overall useless, overpowered, and undersupervised.

Likewise if it's a problem my camera is off except in certain meetings (with clients or whatever) then bring it up to me. To this day that has yet to happen. Shockingly, work gets done, I listen to the important points of the meeting and talk when needed, and I don't have to let someone look at me while I'm not looking at them. It sounds like you have a problem communicating without a face to look at. If it helps, you can tape faces to the screen or request people put an avatar/photo of themselves up for you to talk at.