Fighting noise pollution with light pollution
Wrong. Noise affects everyone around. The laser only affects the source of noise.
And the people the helicopter crashes into after the pilot is blinded.
Excessive copter activity is abusive. In an ethical society, it is best followed by action-changing consequences.
The solution must never involve lasers.
Each of these observations stands properly on it's own. If we're making them compete, we've lost the thread somewhere.