The seller of premium automatically is rewarded for the risk taken. If that seller is knowledgable and has some skill realizing the risk premium he will be profitable in the long-term bucking against the statistical outcomes. The outsized losses credit spread traders incur is natural to the position, so the trader should be very aware of tail risk and measure skew and kurtosis like a hawk and most importantly, position sizing. You cant blow an account if you manage risk like a beast. Its all about awareness.
Those last two sentences are woefully incomplete.
Maybe you can't make any money, either, if you "manage risk like a beast." A statement like that needs supporting evidence to be convincing.
WRT "awareness," it's often an illusion. I'll assume you're referring to risk and then reference my last paragraph.
