People trade currency but they also buy things with it. Too much speculation on a currency is considered a bad thing by the people who use that currency as a me

People trade currency but they also buy things with it. Too much speculation on a currency is considered a bad thing by the people who use that currency as a medium of exchange. Again, you're talking about btc like it's an opportunity to make a buck and not a medium of exchange, which is the exact criticism of it here.