Yes, the PlayStation Network deletes accounts. This is done when a user’s account has been inactive for a long time. The length of time before an account is deleted varies by region and can be found in the PlayStation Network FAQs.

There is no set time period for PSN names to expire.
You can find your PSN name in the Settings menu on the PS4.

The suspension length is determined by the severity of the violation. A minor violation would result in a temporary suspension, while a major violation could result in a permanent suspension.

Sony does not ban PSN accounts. They do, however, suspend accounts that are found to be violating the terms of service. This can include things like sharing content on PSN for which they have not purchased a license.

If you deactivate your PSN account, you can no longer log in to PSN. Your game saves will be deleted and the license for the games on your account may be revoked.
Deactivating your PSN account will not delete any of your saved data or game licenses. It will only prevent you from accessing online features on PS4, PS3, and Vita consoles.

Yes, you can delete your PSN reuse email address.

To delete your inactive PSN account, you will need to contact Sony.

If you have a PSN account and want to reactivate it, you can do so by following these steps:
Go to the Playstation store and login with your account
Click on the “Redeem Codes” tab
Enter your code or click on “Enter a Code”

The name should be easy to remember
It should not be too long
It should not contain any numbers or symbols
It should not be the name of another person

The length of a ban depends on the severity of the offense. For example, if someone is caught cheating in an online game, their account will be banned for a period of time that ranges from one week to two years.

Permanently suspended means that your account is no longer active and you will not be able to sign in. This can happen for a number of reasons, including violating the company’s terms of service or policies.