[microcolonel]

Here's a video of a public axe throwing contest with amateur participants, no backstop, and people directly behind it.

https://youtu.be/EeiMvKuXs0E

People endanger the public at large all the time, knowingly or unknowingly. There is no decent world in which acts which merely pose a danger to the public are illegal before they cause that danger.

[jerf]

People instinctively understand the risks of throwing things, even sharp and heavy things. People do not have an instinctive understanding of the risks of lasers. They may both be dangerous, but that does not mean the two levels of danger are the same.