If you have USD how do you "use the bitcoin directly" without a trade first? Or do you just tell your nocoiner customers to go fuck off?
Discussion
demand to be paid in BTC not fiat.
Why do you still accept fiat?
The companies I work with aren't going to pay me in BTC, and insurance companies aren't going to pay me in BTC. They will however not do business with me to find someone else though. Then I can't exchange into BTC.

