PCs are disappearing because most people who use them don't actually need them. They don't need a truly general purpose personally controlled computer.
Linux users know they need a personal computer, for software development or some other high-value purpose. These will be the last PCs to be replaced by tablets and smartphones.
Unless of course your position is that Ubunutu is effete and it will be the Mint and Gentoo where the Last of the PCs makes it's stand.
PCs are disappearing because most people who use them don't actually need them. They don't need a truly general purpose personally controlled computer.
Linux users know they need a personal computer, for software development or some other high-value purpose. These will be the last PCs to be replaced by tablets and smartphones.
Unless of course your position is that Ubunutu is effete and it will be the Mint and Gentoo where the Last of the PCs makes it's stand.