Destroy the ecology? Is buffer zone necessary during wake surfing?

Wake surfing is becoming more and more popular. Protests from environmentalists are also growing. Because they believe the large waves generated by these wave makers have caused considerable damage to the coastline. What is the truth?
Why do SUP boards with same size and shape have different weight and hardness?

The reason is that SUP boards use different drop stitch materials. And the difference of drop stitch material can be directly reflected in the performance of the board.