[snovv_crash]

Outside of your bubble they are pretty relevant. Hell, the biggest computers in the work generally run Linux without an internet connection.

[imhoguy]

And they are usually LAN connected thus Stuxnet-like worm infected laptop can still cause a damage. Security is always important.

[sachdevap]

Fun of you to assume my bubble. What are these biggest computers that you refer to that are not connected to the internet?

[snovv_crash]

Scientific supercomputers used for academic and industry needs. Eg. weather prediction, CFD and FEM simulations, image processing, deep learning, and much more.