It sucks. Not the game itself, the game is fine. It looks and feels like a mechwarrior game. It's nice to see the venerable Locust making an appearance along side the iconic Atlas. The weapons appear to be balanced (I'm sure some vets will point out that I am totaly wrong here but hey, that's the internet

I don't have any issues with the learning curve. Granted, it's harsh, but I played EVE for 5 years so I've got no problems with being blown up 9 times out of 10 for the next year. No, my issue is with the complete lack of in game voice comms or any lobby/chat room.
This game is billed as the 'thinking man's shooter' and with voice comms it probably is. However, without voice comms it's just frustrating. Playing as a missile boat you end up wasting ammo as no one maintains locks for indirect fire, and then you get bumrushed by a couple of light mechs because no one was watching your back. Play as short range brawler and you suddenly find yourself leading the charge of the light brigade all by yourself and end up as a massive XP pinata. Not fun. Not fun at all.
Making friends is nigh on impossible whilst in combat and without a post game chatroom/lobby you are left to use the forums. Forums are all well and good for established players who have invested time into the game but for new players they tend not to be very inviting.