I would not dispute any of your personal experience.
Microsoft was better at all of those practices than other companies that did the same sort of stuff.
If creators of popular open source sites didn’t sell to Microsoft, Microsoft would not become the owner.
Don’t say they would be forced, or destroyed. It’s not that simple. MS doesn’t have that much power.
Too many open source advocates just have a little too much personal dislike or anger at Microsoft.
That’s been my personal experience.
Microsoft being evil does not win one single technical point, ever.
20 years ago I routinely asked MS-haters if their mom or granny could use a computer powered by X or Java without any MS stuff.
To this day, various nerds will recite long incantations of stuff they wired together to be sort of productive, but they never answered the question.