Not to sound too much like a libertarian, and I'm not against unions, but isn't this something that can be more or less corrected by a lot of engineers finding work elsewhere? It's not like Microsoft has anywhere near a monopoly on the software engineering space anymore, and most of the engineers there can probably adjust to remote work without too much of an issue.

Then we get the cycle of Microsoft complaining that they can't hire enough people, and then they bump salaries up again to be competitive.