Obviously there's lots of interesting entertainment. But I also happen to like some TV series, and they are usually not available here in any reasonable form (i.e., if local broadcasters pick them up at some point, then they are dubbed). As far as watching TV series in original English goes, grabbing them via a torrent is by far the most convenient and available method here.
I am guessing the GP you are responding to is not in a country where HBO is available (either online or not) and thus even if he wanted to pay for HBO, as he suggested he would, he simply CAN NOT because it is not available.
Oh well, back to Pirate Bay.