More than likely, the perpetrator will reoffend (not like they have much sense in the first place) and hopefully the next time, the police helicopter will see.
Then we can quite literally have an eye for an eye. This could quite easily mean the end of someone's career, after how many years training and building up hours and debt? Only for some deadbeat to shine a laser at you for a laff and leave you with damaged eyesight and a revoked medical. Not to mention the safety of the airliner...
The mind boggles