Do people who read the Mail not consider it an insult? Similarly, when people are called liberal Guardian readers, do they proudly say "yes, that's me"?
I'd say you were more of a Telegraph reader WP. And that wasn't intended as an insult, so apologies if you think it is.
Cards on the table: I read the Times, as it's free at work. But if I had to buy a paper, I'd probably buy the Times.