I'll check myself here. Life on Mars didn't seem like my kind of show either, but I ended up liking it quite a bit. The whole 70's thing is a turn off for me. It was good because of great writing and characters.
I also only allow myself to watch one or two TV shows at a time. Because of this, I am specific about what I watch.
Doctor Who just started back up, So there's that.
Next month both The Walking Dead and American Horror Story come back. TWD certainly has issues, but we both like it enough to keep watching.
My wife is bugging me about starting up Being Human. It's going to have to wait, though, because there will already be too much on the roster.
I think it's obvious I prefer the more fantastical over the realistic. Same goes with games and books. Doesn't mean I'm not willing to give something else a shot. It's just not a priority.
I can't be the only one who has a bias towards certain types of shows. It's like people who like jrpgs and nothing else. It baffles me, but if that's what works for them, then so be it.