[justshowpost]

This.

Also, advertising every file in torrent (of unsuspecting user) to entire world would be a HUGE privacy flaw.

[londons_explore]

But you already advertise (via the DHT, which offers no secrecy) the torrent file... and that contains all the data needed to get all the files within the torrent.

So this data is already being published, just in a less queryable form.