3D printed keys and burglars

I read this article and thought to myself, If I was a burglar, why on earth would I go thru all the trouble to photo your key, flesh it out and then print it.  A Sledgehammer work work much quicker.  Anyways good article to read.

http://blog.cnccookbook.com/2014/07/30/3d-printers-ultimate-burglar-tool/