Yeah. Let's delete old blogs and shut down the internet archive as well.

Personally I value the web as a knowledge store that persists.

Use a non-logged chat service if you want a transient medium.

Changing alts is a lot more pro-social than deleting your comments: with alt rotation your old writing is still available for others to learn from.

There's no deleting beyond a time limit on HN

you can request to the admins if you really need to