If they're going to remake Op Metro, they need to expand the map massively for 64 players to reduce the number of chokepoints. It's basically a WW1 simulator in BF3.
Which is why some people found it fun. It was a broken map that quickly became niche and got its own dedicated servers. Sure, it's sucks that you couldn't rotate it with the other maps, but it was still mindless fun enjoyed by a lot of people.
Also, if there is gonna be dinosaurs I want to be able to do this: