Some exchanges really do give back the money
you sent accidentally given of course that you
contact them and request for it. The waiting comes after
that. It might take a while but it definitely possible.
That's not possible at all, you can look for it anywhere (Reddit, Quora, etc.) and you definitely won't find it, Coinbase has its own procedures and it's different from Binance, if you send unsupported token to Binance, of course they will return it to you with a small recovery fee. I mean don't give @OP false expectations or pessimism, maybe he can learn from his mistakes.
LOL, let's hope that will happen soon and don't have to wait another 2 years, I'm afraid they will have a case like what KuCoin recently experienced in the future .