Yes. 2Fort's good as a meme map and for practicing rocket jump strafing (imo), but those 3 sentry spots that completely shut down Turbine aren't fun. I do quite enjoy pubbing Scout on Turbine, though. But as much as I hate to say it, I find Frontier to be much more infuriating than Turbine. Something about the chokepointey-ness forcing me to play Soldier, Pyro or Spy and the odd cart mechanics make me boot it off my map list basically every time I play it.
At long last! I was really wondering if I was the only one that detests Frontier. I think I'm starting to get better with it, but it is painful. I want to like it, what with having a unique payload and the fact I am a train buff, along with the fact it constantly gets voted for, but it's been a bit tough. Getting constantly steamrolled doesn't really help with liking it. Thundermountain though is way past Frontier on my turd list. I positively HATE that map.
Going by hours I'd be a demo main, maybe engineer main. I consider myself an average player in terms of skill. Hopefully I'll get decent at spy in the future. Weekends for me become absolutely horrific in pubs. Get on a team of largely brand new people who I don't have the skill to carry, versus a whole team of veterans with thousands of hours. Spies, snipers, and medics galore. That is the definition of TF2's nether.