I don't think Microsoft believed that. They knew SOME would move to another WIndows development tool. They also knew SOME would move to competing technologies.
>MS had a monopoly at that time, they believed that ending VFP would just reduce cost while preserving revenues because each and every VFP developers would have no other choice than moving to another Windows-based dev tools, or die, which microsoft no longer cared about.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer