It's only a terrible idea if you don't have a kill switch. It's also only a terrible idea if the benefits do not outweigh the costs of something like this happe

It's only a terrible idea if you don't have a kill switch. It's also only a terrible idea if the benefits do not outweigh the costs of something like this happening (and you being unable to respond to it.) Adding the JS file is simple and up until now has always worked. If it ends up driving tons of traffic back to your site it seems worth it.