Most of this qualifies of straight-up fraud that will never be prosecuted. You're lucky if the police will take a report. Detectives will only poke around if t

Most of this qualifies of straight-up fraud that will never be prosecuted. You're lucky if the police will take a report. Detectives will only poke around if they know it's local. AGs and DAs don't care about small-scale scams and ripoffs and cheats, generally aren't equipped to investigate them, and if the party committing fraud is in another country are likely to throw up their hands and say "not in my jurisdiction." The only way this can be addressed is the extremely unlikely scenario of making the platforms legally responsible for getting the money back, under the threat of sanctions measured as a multiple of losses or a fraction of total revenue.