Move fast and break things (including organized society). I can't even think of non malicious uses that are anything more than novelty or small conveniences. M

Move fast and break things (including organized society). I can't even think of non malicious uses that are anything more than novelty or small conveniences. Meanwhile the malicious use cases are innumerable. In a just world building this would be a severe felony, punished with prison and destruction of all of the direct and indirect source material.