The problem is, Microsoft and Google themselves are doing shady things. A full screen advertising for using OneDrive on Windows and a full screen random request to use Google App when doing a Google search on Safari comes to mind. Apple is no different, when I press my Bluetooth button, it opens Music on macOS.

I’m sure we can find rather strange things going on Ubuntu too and bending the definitions a bit, there are several pleads for donation like on Gnome, Vim and Wikipedia that are a bit questionable.

They've all spent too long getting high on their own supply.

The longer a company is able to profits from something, the less they'll be able to see that it may even possibly be a net negative for society.