Read about their structure. Msft doesn't own anything. They are an investor. This is different, in thus case.
The non profit owns the for profit. Msft has 49 percent of the for profit. Sunset clause after profit benchmarks. Ownership returns 100 percent to non profit.
Stop getting meme'd on by the crowd. That goes to the 90 plus percent of other commenter's spreading misinformation on hn.