The latest reports are that Boyan Slat's invention has not worked well in practice. And experts are skeptical it will work as intended.
https://www.washingtonpost.com/science/2019/01/17/experts-wa...
https://www.washingtonpost.com/science/2019/01/17/experts-wa...
Nobody know excactly how to do it. So it is great the first step is set.
The team will now alter the design to make it better.
Slat did not dismiss them because he said most are valid concerns.
But he is working with a large team of experts so most of the concerns might already be discussed.