It's an unfortunate fact that any business owner, home owner, or human in general has to protect themselves against theft. In 2013 alone, there were an estimated 1,928,465 burglaries resulting in about $4.5 billion in property losses. That's just in the United States.
This convenience store owner in particular had been robbed multiple times and was sick of letting the thieves get away. So, he set up a clever trap...and recorded what happened.
Crime doesn't pay, but unsuccessful crime caught on camera might make others laugh a whole lot.