2 Cybran T2 subs get killed by a sera destroyer (weakest one after uef, who got torp boats) while he has 850 hp left, vs aeon ones 1600 hp left. An Aeon destroyer (strongest) can take out 3 cybran T2 subs but dies himself too. 10 T2 cybran Subs (with focus fire) vs 5 Aeon destroyer (without) means 3 Aeon destroyer with full hp left, all subs dead. They win vs sera ones though, with 5 left. But i dont know what happens if sera destroyer focus fire too.
So the question is if subs should be the best anti water unit instead of destroyers? Not by mutch, just nerf the torpedo dmg of destroyers a bit (sera maybe not) and give them more anti torpedo in compensation, so it needs (a lot) longer to kill them if you go subs only. Destroyer are good vs land and sea, why can a unit wich is only good vs sea not beeing a little better there? Anti torpedo is very powerfull, it should be possible to make destroyer + sub stronger then sub spam, so sub spam only wont be a problem. Subs only are also completly defensless vs air.
Its still just an idea, im myself not sure if it is a good idea. But if not, i want at least some reasons.