Seems like it would be good. But chip plants produce a lot of toxic waste and they just dump it right into the river. They build a nice big chip plant here near Saratoga, NY and I talked to the guy that disposes of the waste. Right in the river. They dilute it with millions of gallons of...
It looks more like a flying crowd dispersal tool. Flying samurai swords. Flying blender of death. Fly that down into a crowd of people and watch the fun. You should add a few of Musk's flamethrowers on there as well.
The fresh water is used to dilute the toxic waste so they can dump it back into the lake. If it is diluted enough they are allowed to dump many tons of toxic chemicals.
The robots are ALMOST the right solution. But instead of roaming about, the robots should be picking up the needles, cleaning up the human waste and playing the same crappy christmas song over and over again loudly while doing its cleaning. Homeless problem solved.