If a user changes account types, it should only affect their ability to carry out an
action in the future. That is, anything created by a user while they have a
contributing user account should remain unaffected if the user switches back
to a regular account.
If a user changes account types, it should only affect their ability to carry out an action in the future. That is, anything created by a user while they have a contributing user account should remain unaffected if the user switches back to a regular account.