Setting labor price by exchange-like auction is an abusive practice in any context. Companies get a pass on job interviews because it's basically impossible to

Setting labor price by exchange-like auction is an abusive practice in any context. Companies get a pass on job interviews because it's basically impossible to prove. But this doesn't make it ok, it just makes it less damaging than the remedy. (Or at least arguably, a lot of people do argue otherwise, and lots of people are looking for better remedies.)