Because of BTC very soon world economics and easier transaction systems revolutionary will control. It's an awesome currency which is can send without any problems and transaction tax less. Bitcoins in yhe whole world one of most important part of economical systems achieved which is as others currency couldn't like this with in short time.
if they knew about it, who the people are afraid of? who said "bitcoin will die"
of course the people who hate bitcoin, they fear if bitcoin, became popular currency
Its not the reason, they hate bitcoin because bitcoin can cause of the failure of some business like banks, because people who used bitcoin does not used fiat money or used banks because they can easily transfer their money through bitcoin.