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Complex, Guard duty, And Costal influence both led to V2 or artillery bombardment. (Although I do miss how once the bridge was gone I could sail a destroyer into the bay.)
Guard duty’s Yaks was a definite hedge against siege/bombardment.
Sadly costal influence’s Naval is not a good counter to artillery.
If a destructible bridge did not lead to artillery bombardment I would be all for it.
The problem with that is that the destructible bridge is massive, so it would need a majorly downsized variant in order to replace the Bonsai bridges. This variant would also require modifications to its design to allow for sensible implementation of wood components.