My point above was not about how to deal with it, but only to point in the direction of it being very very much not a “stretched hypothetical”, but a reality of

My point above was not about how to deal with it, but only to point in the direction of it being very very much not a “stretched hypothetical”, but a reality of a vast quantity of consumer software, including critical things that are difficult for people to replace. (My worldmodel doesn't judge your proposed counter very highly either, FWIW, but I don't feel up to arguing that part just now.)