I’m not assuming anything. It’s a job market. Like all markets they operate on supply and demand.
In your example, so what if they give the job to the most desperate worker instead of a different one at a higher price? Are we supposed to prefer that the desperate worker does not get the job and instead it goes to someone else at a higher rate?
If someone is desperate for a job because they really need work, I’d prefer that a platform help them get matched with jobs. Wouldn’t you? I think you’re so focused on penalizing corporations that you’re missing the obvious.
Like all markets they can be monopolized. You are assuming quite a bit by presuming that the market works perfectly according to rather basic economic principles.
There are all kinds of reasons someone could be more desperate. Perhaps they have a significant skills gap. Perhaps they don't have citizenship. Perhaps their health care options are artificially limited. You invoke supply and demand but you narrow your focus to a single interface when it's obvious that wouldn't be appropriate.
It's not about "penalizing corporations" it's about "being honest about their motives." Unlike many on HN I refuse to handwave away this thorny and uncomfortable process.