Video chat is something like 1.5Mbps. Even phones can do chacha20 at >1000Mbps these days. It's not that expensive. Where people start to feel it is if you wan

Video chat is something like 1.5Mbps. Even phones can do chacha20 at >1000Mbps these days. It's not that expensive. Where people start to feel it is if you want the server in the middle to be decrypting and re-encrypting everything, because it's not that much for one user but it starts to add up for a million users. But the obvious solution there is to use E2EE and then it isn't doing that.