As a former H1B the whole system is unfair and a scam. It is unfair to US workers: Right after I was hired at the very next downturn coworker's were let go but

As a former H1B the whole system is unfair and a scam. It is unfair to US workers: Right after I was hired at the very next downturn coworker's were let go but I stayed. I didn't know it at the time but my salary was low. It is unfair to the H1B worker - you can't switch jobs easily. If you are fired you have to leave the country, it is very stressful. You can't plan your future - why invest for retirement ? There is a path to a green card but only if employer sponsors at considerable cost. It only benefits the employers. If there is a true shortage of tech workers make the system better by allowing full mobility and allowing the workers to directly apply for green card without sponsorship. It could start by demanding employer's pay prevailing wage plus a 25k deposit/bond towards future unemployment or immigration costs of employee + family, and employee is able to switch jobs after 6 months with h1b sponsor