[dredmorbius]

That creates several modes of imbalance / abuse, potentially.

E.g., a large and cash-rich firm could bid on more visas than it needs, starving other firms.

It also fails to address the leverage that the visa sponsor has over the visa holder -- lose your job, and you lose your right to remain in-country.

[Uhhrrr]

Perhaps there could be penalties for non-use. But in general, the total market is so much larger than any given firm and its competitors that it shouldn't be an issue.