Sandboxing defeats the point of said applications. If you want your computer to have no functionality, check out Figma. A clickable prototype sounds like precisely the security the world needs right now.
The only thing keeping those away from Linux was its market share. With npm malware on the rise, this is no longer enough of a protection.
Linux always has been a system were the existence of malware was ignored, specially Desktop, contrary to other OSes (tooling included). But since a couple of years ago can be observed (I observe) slooow movements trying to correct this colossal mistake.
If this is the best way to do it or not, I do not enter. I particularly just welcome most of the advancements about this matter in Linux due such absence of worrying, keeping my fingers crossed that the needed tooling arrives on time (ten years behind Windows, I think).
two years ago, trusted code like xz-utils [0] had seven months of freedom in the infected systems.
[0] https://news.ycombinator.com/item?id=39891607
> its not related to x11
Ideally one want to detect malware the earlier possible, and try to restrict what they can do from the beginning, until is noticed.
In this case Wayland, voluntarily or not, it's more restrictive than X11 with the access to screen and keyboard.
I know, I know, later the reply of the community will be a couple of downvotes more and "that already existed", "you could use, bla bla bla", and this is how Linux is ten years (minimal) behind Windows in tooling for this matter ¯\_(ツ)_/¯