The US should be giving more freedom to existing H1-B holders so they aren't indentured to the companies that employ them for 10+ years, at H1-B minimum salary,

The US should be giving more freedom to existing H1-B holders so they aren't indentured to the companies that employ them for 10+ years, at H1-B minimum salary, while waiting for them to generously sponsor their green card. Make H1-B not tied to employment so companies stop abusing them.