Your links say it well - being a naysayer is kinda pointless. Realistically the first iteration will never be perfect. You got to start somewhere and then keep

Your links say it well - being a naysayer is kinda pointless. Realistically the first iteration will never be perfect. You got to start somewhere and then keep iterating until you understand your challenges better and come up with better solutions. Boyan Slat seems to understand this very well. Also it might be worth evaluating and comparing to how many things are harmed in the ocean in the absence of anyone trying such ambitious ideas.