Because people let them. Capitalism.

As an off ramp:

Mastodon, Lemmy, etc… Also Linux. The internet works because of it, in spite of window and apple.

Meshtastic. Build, learn, go! Go now!

Market capture is unethical in almost all cases. Unlike humans, if a ‘for profit’ business model can’t adapt and survive in a market, then it doesn’t need to be put on life support indefinately.
It’s like people learned all the wrong lessons from the big beginners of this crud show…(Thanks a lot MS and A**le) This is a major reason of why we can’t have nice stuff.