I agree that the abuse in the system needs to be taken care for. There have been significant drop in IT sector salaries compared to a few years ago and many people have lost their jobs. An extreme example is what happened in Disney. There does not seem to be as big a problem in other tech fields as compared to IT by the inflow of h1b visa workers.

There is also a case to be made that American graduates and job seekers should be given preference over foreign students and workers. I think most countries around the world has this policy. However, there are plenty of tech jobs that cannot be just satisfied by american workers and hence there is a need for h1b.