Be careful of the Streisand Effect[0]. If you're scrubbing, we are looking!
There's a dread that a user feels when they realize they don't remember what they said or who they were 10 years ago, but the whole internet does.
> Little pieces of you are everywhere all over the internet
This is why it's important to choose random nyms not attached to your main identity in any way, and to strive for anonymity. On HN, create a throwaway account and run your posts through something like anonymouth[0] if you're concerned with correlation attacks, or having your stylometric patterns uncovered...