Yeah drivers should work fine, certainly without the optional management GUIs. There might be games or launchers that don't work. But most things will.
Revolution is one way to change a society. It's the one that gets all the attention because it makes a big splash. It's also less stable and often more violent than slow change. Sometimes it is indeed the only way, when incremental change is repressed. But it is glorified and should not be the first option.
I think what the world needs is people that constantly and consistently do small good deeds. Strongly acting on the currently trending topic causes pushback from the other side and ends in polarization. There are a few exceptions of course, natural disasters for example are very time sensitive.
They should indeed do regular tests of their backups. They should also ensure technical staff is on-site during those tests.