Update: Right now, everything is back to normal.
That's good news! All's well that ends well. But not really if the cost was divulging a lot of personal information.
A couple of points to ponder though:
1. Users should not trust exchanges even if they are offering certain limits to non-verified accounts. Sooner or later, out of the blue, they will still ask you for KYC. KuCoin offers 2
BTC withdrawal limit per 24 hours to non-KYC clients if I'm not mistaken. Keep funds away from exchanges as much as possible.
2. Locking of accounts might only mean freezing trading or withdrawals but not deposits. Illogical as it may seem, that is what exchanges are doing. So you better watch out. Everything may seem normal until you start making withdrawals.