Paypal already enables us to make online payments all over the world. But Paypal is not free (at least not for entrepeneurs), while BTC is (besides some electricity).
BTC gives humanity immense freedom.
Freedom from (government) theft
Freedom from (government) interference
Freedom from (government) spying
A government without the ability to tax itself to riches means no more stupid major projects and enless wars. A blessing, all because of a simple program