Have you not heard of M-Pesa? Very popular mobile phone-based money transfer service, low fees (far less than $3 or the 30% you claim), you can even pay companies directly with it
Many have speculated he may be a time traveler, although they don't give any reason. The only thing I can think of is he possibly traveled back in time after witnessing a massive economic downturn that had people eating rats off the street and an even further (much more serious) dichotomy of rich and poor. Bitcoin could level the playing field stopping banks from having nearly full monopoly of your money.