The rumor was that management expected a large percentage (20%) of people to take the offer to move to Pittsburgh and some city in Texas. They were off by a factor of 10. Then they utterly failed to meet recruitment targets in Pittsburgh.
Relocation offers were terrible and not communicated very well.
They got a great tax break in Pittsburgh and decided that it's up-and-coming tech industries made it a good fit. They failed to somehow notice that Carnegie Mellon doesn't graduate people who work in IT support, but go into advanced robotics instead. Waltham, which they did close, would probably have been a much better fit. It was even down the street from a tech college.