Having your private info or old posts floating around the web is a headache....

https://www.99techpost.com/how-to-remove-online-content-safely-a-step-by-step-guide/

Having your private info or old posts floating around the web is a headache. You don't have to just live with it. Start by taking screenshots for proof before you delete anything. Then, use the platform's official reporting tools to request takedowns