Yup, that's what happened in Massachusetts, with many companies moving their headquarters to other places (NH, Va. Fla and Arizona) rather than deal with the Taxachusetts attitude that remains to this day.
From articles I have been reading it's not only tech leaving but, the people are leaving also.
Enjoyed working for a U. for many years as a single person in MA. When it came time to start my own business (and get engaged), I fled to find a new homeland in the midwest.