I notices that also on Reddit (some old page we use to use :) )
Since we are constantly talking about user privacy - why on all platforms you can still go under user account and basically build whole “persona” on that data.
I remember that there was a tool where you put in reddit username and it produced “scary” level of details about person.
So is there only way to just swap account every few months?
If you care about orgs having the ability to profile you then yes.
There is not really a way for platfoms to prevent this from happening, even if they wanted to. Unless you go full anonymous ala 4chan etc. (even then it could be done, just harder)