No, the two entities can coexist. Bitcoin is very popular among social liberals, true, but even social conservatives (e.g. Luke-Jr) use it. Bitcoin is politically trans-spectrum, and should remain that way.
On the contrary, if Bitcoin or its successors are successful, Politics as we know it will essentially go out the window.
https://bitcointalk.org/index.php?topic=100804.0Bitcoin can be regulated just like any other currency. It's just that one can now choose whether to be regulated or not. Politics will not go out the window.