[notforgot]

The point doesn't need to be to amass followers. It can be to share knowledge and spread news. There could be a more useful variation in this medium than today's Twitter.

Writing also helps develop ideas. Trying to explain things well in short sentences helps develop your mind. Surely this isn't useless.

[anotheryou]

any means of contacting you in private? (asked on another comment, but I guess it got lost, HNs comments are messy :)