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They're taking a tool and turning it into a ridiculous toy. I can already see someone trying to "light a cigarette" they're holding in their mouth and blinding themselves in the process.
That being said a lot of them do come with goggles.
This is about a 5W laser for reference: https://www.youtube.com/watch?v=DMVWW-bmKwQ
I'm no vegan, but that sounds like psychopathy to me.
If I'm remembering correctly, a few of the more idiotic 'laser pointer'/'geneva convention violating blinding device' retailers got sued by Lucasfilms for intentionally looking like lightsabers - so you're not wrong!
FTFY: I would not trust a 50 W laser.
I wouldn't trust it not to blind me, not to blind someone else, not to make burn marks on my walls, not to catch fire randomly, and not to actually output 50W.
This article [0] is a 'fun' look at the laser regulatory environment. Unfortunately, that environment doesn't seem to have teeth yet.
0: http://www.funraniumlabs.com/2017/08/laser-products-hate/
The danger is reflections, at over a watt even the dot that the pointer produces on the wall can be bright enough to cause permanent blindness unless with goggles.