Oh yeah I just pulled that from a fever dream I had, that sort of thing never happens in real life.
> "Embrace, extend, and extinguish", is a phrase that was used internally by Microsoft to describe its strategy for entering product categories involving widely used standards, extending those standards with proprietary capabilities, and then using those differences to disadvantage its competitors.
I could not find a single example of "permissively licensed software" in there. Nor do in think one exists. Remember, this is the Microsoft that would not touch open source with a 10-foot pole.
MS did embrace and extend standards, but that is a very different thing from code.
> "Embrace, extend, and extinguish", is a phrase that was used internally by Microsoft to describe its strategy for entering product categories involving widely used standards, extending those standards with proprietary capabilities, and then using those differences to disadvantage its competitors.
https://en.wikipedia.org/wiki/Embrace,_extend_and_extinguish