It would take time and effort and having Bitcoin be a legitimate alternative currency might have unforseen negative consequences, e.g.
Bitcoins weren’t just created to sell a little weed on silk road.. they are used for child pornography, human trafficking, murder for hire, domestic and intl terrorism, hard drugs like heroin, and illegal arms sales… If you are for bitcoins, then you must also be OK with all of the above things...have fun supporting your pedophiles and murderers...
It would take time and effort and having Bitcoin be a legitimate alternative currency might have unforseen negative consequences, e.g.
http://techcrunch.com/2013/04/13/beyond-the-bitcoin-bubble/