|The Greek Protestor probably inspired them to make it.|
According to UK telegraph, its like getting blasted by the light is almost the equivalent to our eyes staring straight at the sun in midday.
From a tech perspective this may sounds like young adults dream come true. It may even seem very effective, however it has one fatal flaw. Lasers are light and lights are reflective yes? How about some rioters become smart and decided to put up a barricade of light aluminum wall and do this....
Oh, lets not forget they are now giving more ideas for bad people to harm other people with. Well done indeed.