We can not run away from the fact that Bitcoin has a big influence on the world economy. Even though it is not officially recognized, the amount that is being traded is so huge that we cannot right it off. Imagine people exchanging bitcoin for fiat, don't you think this can influence other currencies? Just my thought
You meant write it off, right?
Though I don't think this amount has any impact on the world economy at large. If two individuals were incessantly selling to each other the same single bitcoin all day long, would the resulting volume have any meaning? I guess that it wouldn't. Just a small bunch of people (on the world scale) is doing basically the same, i.e. exchanging fiat and bitcoins to and fro. If this volume was coming from real economy, i.e. from bitcoins being used to pay for real goods and services, then it would matter. Otherwise, this is no more than a figure which can be however high without really changing anything