Self-inflicting on the internet can result in a few negative products, depending on the action:

• Damaged Reputation: Posting something negative about yourself (or someone making it public) can leave a digital footprint that's hard to erase. Even if you delete the original post, screenshots or reposts can linger.
• Privacy Concerns: Sharing too much personal information online can make you vulnerable to identity theft, stalking, or targeted advertising.
• Missed Opportunities: Potential employers or educational institutions might search for you online, and unfavorable content could hurt your chances.

The "nearly impossible to remove" part is true to some extent. Here's what you can potentially do:

• Delete the original content: If you have control over the post or account where you shared the information, delete it immediately.
• Contact the platform: Most social media platforms have reporting and takedown procedures for harmful content. Report the content and request its removal.
• Issue a right to be forgotten request (EU only): If you're located in the EU, you can submit a "right to be forgotten" request to search engines, potentially delisting links to unwanted information.

However, complete removal might not be achievable. Here's why:

• The internet has a memory: Someone might have already saved a copy of your post, or it could be archived somewhere.
• Search engine caching: Search engines might still show snippets of the content even if the original is deleted.

The best course of action often involves:

• Damage control: If the information is out there, try to mitigate the damage. Respond with a sincere apology or clarification if appropriate.
• Be mindful going forward: Think twice before sharing anything online, especially sensitive information.
• Consider a personal website: Create a website with the information you want to be associated with, potentially pushing down negative results in search engines.

Remember, if you're experiencing online harassment or threats, report it to the platform and consider seeking help from law enforcement or trusted organizations.