I don't think you're missing anything, except maybe just that closed-source is the default on macOS and Windows so the marginal loss of safety from one more clo

I don't think you're missing anything, except maybe just that closed-source is the default on macOS and Windows so the marginal loss of safety from one more closed-source privileged app isn't so high there. For the moment maybe the best we can do is trying to use apps with screen sharing support included, e.g. Visual Studio Code's sharing. Your mention of VNC reminded me of some work I did in 2008 :) https://blog.printf.net/articles/2009/01/26/multi-pointer-remote-desktop/ https://blog.printf.net/articles/2009/01/26/multi-pointer-re...