Comment by smoldesu

I'm pretty sure that Valve's marketplace tax makes it much harder for low-margin scams to scale. You could definitely pull off an "exploit" like this today, but the main reason why it's not mitigated is probably because nobody is really getting scammed here. It's like Office Space, where the actual profits from this grift are so minute that the only way it would be profitable is if you stuck it out for several years.