Why do you say Coinbase is good for cold storage? It’s not custodied so in the event they went bankrupt/sanctions compliance/TOS violation, they could lock you

Why do you say Coinbase is good for cold storage? It’s not custodied so in the event they went bankrupt/sanctions compliance/TOS violation, they could lock you out forever. A hardware wallet is good for cold storage. Coinbase is a hot wallet.