You should contact the casino via email and explain what happened. The reason your account got closed might not be known to ordinary support personnel. Does the site have a customer safety or regulation department that can be reached? Definitely ask them what is going on and PM the casino's forum account that you created this scam accusation. We need to hear what they have to say.
Have already asked them via email as well mate.
Same general responses as you can see:
https://imgur.com/a/ufIIhXLIllegal arbitrage practice? I checked their TOS and I couldn't find anything about arbitrage betting.
https://ole7.io/en/#/account/TermsYou placed a 25 MBTC bet on a Algerian second league game, that's a massive bet for such a low tier league, clearly Your account was not limited. Then why would OP multi account? It makes no sense.