The next Dragon 2 abort test will happen at Max drag which is near Max Q. Aborts can happen during any time during powered flight, but this is the worst case abort situation. The Failure that happened on CRS-7 was almost full minute past Max-Q.

Replacing tech workers with H1bs is apparently under investigation. I am confident that it will not stop that program. More likely to be effective is to show companies that their new, cheap H1bs are prone to transfer company IP to competitors.