Not sure about banks and bank accounts but Its already happening in India via customer account closure of Credit Cards , Post Paid connection of any sort (Data card, SIM, Broadband Connection).
- These guys don’t give proper email Ids / Customer care number for account closing.
- They send Bills even if the subscriber closed the account. (I paid bills multiple times for the unused connection of Reliance Data card and despite of that received threatening calls from legal dept of reliance data card for additional money)
- They send legal notices to the subscriber after long time (Received legal notice for credit I used 10 years before)
- They send Goondas or harassment calls from legal Department to the subscriber