Earlier quoted context omitted.
You get that not every program invoked on a desktop necessarily comes by that way right? But that’s not actually the core problem. I trust you can do your own research as to what the security issues are, but as a starter here’s https://www.ctrl.blog/entry/clipboard-security.html These are very old issues and are some of the major reasons Wayland was started in the first place. May want to read up on what the problems…
I am well aware of what programs with access to my computer can do. That's why I use programs from sources I trust. I have zero interest in a low trust computing model because that comes with a cost to usability and performance, especially for power users but not also for others. I also get that most commercial software developers these days should be treated as adversaries because they will break any trust you place…
Eg, this completely excludes Steam. Laws aren't a good way to deal with the issue because they don't prevent damage. Try and sue some guy living in Russia.