Because google and apple have never been caught illegally
Still, MS did a U turn when it transformed Windows in a deep slurping tool.
Everybody knows what Google is, Apple can slurp less getting a lot of cash from hardware unlike Google, and someone hoped to have a non-slurping alternative still able to run the tools they need and without a single hardware supplier like Apple.
Unluckily Nadella suddenly decided customers are cows to milk for data, and not sacred at all, so they can be fully exploited at will. Nobody saw it coming, and that makes it even more painful.