> If they've been here for a year or more, they should be able to quit their jobs if they want to without repercussions. To clarify: you absolutely can do that

> If they've been here for a year or more, they should be able to quit their jobs if they want to without repercussions. To clarify: you absolutely can do that on an H1B. The problem is that you need to have a new job lined up to replace it, and that job needs to have gone through visa approval processes that can take up to three months (there is a grace period, I believe, of 30 days, soon to be extended to 60). This also costs the company money in legal fees, so people tend to get jobs with large corporations rather than startups, who are less willing to swallow the cost. So, it's possible, just very irritating to do. And if you're also applying for a green card sponsored by your company then you have additional issues - you can get shunted back to step one when you change employers if you haven't already reached a certain stage.