That'll slow bots down for a whole 36 hours. If you want to kill the bots, start reporting them all. Take screenshots, put them up on a free file host and fill out the form in the link. You will certainly avoid having your connection restricted while you're typing the names of the bots and the item sites they represent. It's not going to be easy at first, but eventually the inconvenience and cost of having to use new CD-keys will make it a whole lot more quiet on battle.net.