I don't understand this reaction. Fusion360 continues to be free (as in beer) for personal. Not only that but startups can apply for a free licence each year.
You may get a better explanation from FreeCAD team on Twitter.
Also read related discussions on HN.[2,3]
[0] https://twitter.com/FreeCADNews/status/1306932199564947457
[1] https://twitter.com/FreeCADNews/status/1313167577284304897