But this isn't an account termination. They deleted the data of an active account, without informing the user. Why could they not turn it into a read-only data

But this isn't an account termination. They deleted the data of an active account, without informing the user. Why could they not turn it into a read-only database without access from the Heroku apps instead? Then it'd just be a routine change to the service offered, would it not?