People often claim that ChromeOS is versatile enough to replace a normal computer because it has these various compatibility layers. They often fail to mention that they work terribly. You wind up with the poor performance and annoying isolation that VMs give, but with an extra helping of instability and incompatibility. Running anything Google hasn't approved is gated behind "developer mode", and even for a developer the pseudo-Debian container "developer mode" unlocks is confusing. I regularly encounter problems (like needing to run Wireshark) that I believe are simply unsolvable.

I don't understand anything about ChromeOS. At one point it was a bad but clear idea: a machine with just a web browser, capable only of running web apps. Then at some point they decided to just make the world's most complicated and confusing Linux distro, with the vestigial browser-centric design kept around just to make things as inconsistent as possible.