People finding sympathy in the CEO behavior should make an effort to remember the number of time they likely ranted about their landlords / network provider / post service / bank service / ... on Twitter. How would you have reacted if they had decided to ban you without even letting you take back your assets?
Closing a customer's account without following procedures, on the CEO's whims, just because they don't feel comfortable with your practices, with a passive aggressive "sorry it wasn't a good fit for you!", deleting data in the process, is extremely unprofessional. There's no good light for this.
In fact, the following story is a great example of the danger of this kind of practices: https://www.newsweek.com/bank-closes-accounts-criticizes-twi...