Just leave this guy to do his thing. I get the idea of stopping someone who is doing something unsafe in a manner that can harm other people. Really this guy isn't going to harm anyone else if he fails. Just leave people to do their things.
[In 2014] The Captain of the Port of Miami ordered Baluchi not to attempt to travel to Bermuda in his bubble. Baluchi tried again in 2016. [...]
And they sank his bubble as a hazard to navigation. "They shot, they sink my bubble," Baluchi told VICE. "No more bubble I have."