How will Bitcoin survive the many enemies it has created by declaring itself a revolution in payment system and decentralization??
It's going to take a long shoot for Bitcoin to actually take over the aforementioned currencies. The first step is to gain mass adoption, which is still hanging for a while now afterwhich then how much do people use it as a means of exchange of goods and services. Aside that, I don't see anything happening soon.
If US Dollars, Euro (world currencies), banks, gold, silver, anti-government, debit cards and anti-tax exist simultaneously, then why Bitcoin cannot join them and make them a great company. Each of these "enemies" has its own purpose. And if one of them does poorly, then it can be replaced. I don't see the problem!