[mercenario]

I have just opened your link and it does not contain the exact text you quoted anymore, now it is:

> This process removes all PostgreSQL components except the data directory, ensuring existing databases are retained during the reinstall. It provides a clean slate for PostgreSQL while maintaining continuity of stored data. Always backup important data before performing major system changes.

And as the first source it cites exactly your comment, strange

> https://news.ycombinator.com/item?id=42586189