[machilin]

Not that I'm saying bitcoin in general is bad, but speculators are making it look bad by diving in hoping to make a quick buck. And the limelight of these so-called bitcoin millionaires give everyone the impression of making a quick return on bitcoins. You are definitely right in saying no one is guaranteeing a return, but almost everyone is expecting to make some quick returns on it. That itself can't be good.

[blacksqr]

The bottom line is the answer to your original post is "no", because speculation != Ponzi scheme.