What's wrong with a well protected VM? Especially compared to something where the security selling point is "no one uses it" (according to your argument; I don't know how secure this actually is)
Nothing, but "there are already working options" does not necessarily mean we shouldn't try new (and sometimes weird) things
GP says "You don't want to just run that code in ... even a very well protected VM." Why?
Yeah but GP was answering to a comment saying "you don't want to run code in a well protected VM". Which is of course complete non sense to say and GP was right to question it.