For crossroads, theres a window where it is easy to take. Your armor arrives while theirs is still traveling and the problem comes where people don't take that advantage. Also, the flag range is huge and some people don't realize that

I think Oil Station is pretty hard to take because there are no easy points of entry through infantry because they have a vast expanse of land they must travel through and vehicles die quickly to eingie's and emp

I think church on cerbere is the holy grail of all death traps, the hill above it and the fact south town is above it has people getting rocketed on respawn

Harbor, believe it or not, should be hard to take even though it isn't on TG because the flag range is small and one or two grenades can take out several several people. The southern building can easily rocket the flag and the rorsch is in pretty good position to annoy the walker and kill any buggy rushes. It seems easy because people chase kills and get out of position to grenade the flag and are not aware the flag is going down.

For toll, people only think it is hard because they remember the deadlocks. Any flag is near impossible to take when the whole team is defending it. However, if one squad, at the beginning lets say, defends toll with two engies and a support, that is an assault squad versus a half engie squad and it should be easy to take. I realize the buildings on the east and west, if assault are up there shooting rockets, it gets near impossible but that rarely happens early game. And, say a assault squad v assault squad, the defenders will win. Again, there is a small window where the walker comes up making it impossible.

South town is defensible because people can only come up through narrow entrances that can easily be grenaded. One squad, say 2 support with ids on the main and west road along with four assault can defend against a whole team because of the right clicking power of grenades.