I have worked remotely since 2018 and camera-on is certainly the only way to go. Sure, large meetings or recorded sessions mine gets turned off. Cameras on for meeting where you are actually involved is an absolute necessity for trying to make the human connection.
I don’t fully understand the “I won’t turn my camera on” insistence. This is akin to someone in-office bringing a curtain into a conference room saying “don’t look at me”.