For a supposed hacker community, knowledge of Tor sure is low. Perhaps the privacy and anonymity people don't feel too keen on commenting.

Here is a good talk by Roger Dingledine, the original author of tor dispelling common myths and giving some statistics on its real world usage: https://inv.nadeko.net/watch?v=Di7qAVidy1Y

And for good measure,

It's Tor not TOR: https://support.torproject.org/#about_why-is-it-called-tor