You can't possibly be serious. You don't know of Microsoft's long history of copying software that other companies had made, putting them out of business? And three other people as well apparently.
Here are a couple of links I found with a quick googling:
http://www.kmfms.com/whatsbad.html
http://web.archive.org/web/20071215231524/http://www.vcnet.c...
The second tries to document every company destroyed by MS and how.