this stealing of bitcoins has been going on over the years and it's major from exchange platforms trying to exit. And the support of most wallets or crypto-exchange ain't even helpful when it comes to resolving our situations. The only saving grace we always end up with is going through the deepweb. If you're going through any crypto misery or loss of wallet or crypto related issue also then this Tor link will be helpful for you i guess https://venomthreads.com . If all wallets and exchange platforms can't be vouched for or guaranteed to deliver i think they shouldn't be allowed to offer services.