CTF is fun most of the time. I recall my first CTF game that I was put into and we were down 1-4, managed to settle for a 4-4 draw and I'm pretty sure we would have won if the time was longer. Ended up 1st place despite joining pretty late in the game too.
Objective gamemodes are just more fun than straight-up deathmatch. It's a shame that a lot of people don't even give some gamemodes a try.