If the other thread [1] is to be believed there is no guarantee that the developers on the other side has similar skills. No need to dig up arbitrage when it could simply be a scam.

Even the person they hired here to pretend to be Connor said himself that's he's just a junior that would pretend to be a senior. Maybe the idea is simply to get a well-paid job, work a couple months, get fired (maybe even with a generous severance), and repeat.

[1] https://news.ycombinator.com/item?id=32996457