In fact H1B has to work for an employer and can not founder a company(at least easily or legally), you have to earn your permanent residence first, which takes quite a few years at least.
>Vinod Khosla - Founder of Sun Microsystems and well known VC was on H1B visa initially
The H-1B visa was created in 1990. Khosla started working in the U.S. in 1980 after graduating from Stanford, and founded Sun in 1982. It seems doubtful he was ever on an H-1B.
Default of student loans in USA is around $1 trillion.
Isn't this what is called comparing Apples and Oranges.