In the way that Far Cry 3 wanted to be far cry 1 but better, he is saying Crysis 3 is far cry 1 but better - I'm not so sold. I found 1 very empty, with a false open world blocked by bushes and not much gameplay changing, and the story was off, with 2 they put it in the city and the linearity was revealed, or exposed rather - not many liked this, but it made for a better game, you had multiple ways of dealing with stuff.
I think in a way FC3 is like crysis a bit, in that it makes you the ultimate predator in a sea of terrorist/bad guys, the only difference is crysis is a level based game whereas FC3 is open world, both games have pretty rubbish stories when it boils down to it, FC3 has two interesting characters, all the rest are terrible and the plot makes no sense - and crysis 3s is a bit too mental and overly serious to boot. Cry2 was mental but not overly serious - to its advantage.
I thought FC2 was miles better than FC3 in a lot of aspects, if they added the realism of 2, switched the locations and stories and had FC3s gameplay you'd have the better game.
It's all in the game...