Companies can't just do this. It'd be fabulous if this was an option, but green card applications have all sorts of caps and aren't even just "wait in a line f

Companies can't just do this. It'd be fabulous if this was an option, but green card applications have all sorts of caps and aren't even just "wait in a line for N years." They are random every year and every year you fail to get approved you get no closer to being approved. The effect is that you can have excellent engineers who've been in the US for a decade+ who are still in this liminal space where they don't have legal permanent residency.