1: "Thing" is developed which enjoys benign use amongst small subset of geeks
2: Military discover "Thing" and develop a way to use it for evil and/or killing
3: "Thing" gains in popularity amongst general public
4: Government says. "General public can't be trusted with "Thing". Thing is capable of doing evil and/or killing people!"
5: News stories start appearing: ""Thing" could be used by 'Terrists' and 'Paedos', warns expert"
6: "Thing" restricted or outlawed —in response to "public concerns"
Rinse and repeat...