Actually given the reliance on foreign students and researchers to teach as part of their stipend; especially in fields like business and cs(which are the most profitable depts for a university) the universities will face a severe challenge; not counting the revenue loss from ms
To be honest H1B in its current state has already become anti Indian; wait times estimated to be 20 years for EB2 and 4 years for EB1; those are too long and hence people are looking for better alternatives like Canada and Europe which have loosened their requirements recently