Everyone takes a risk. It isn't just you. Your developers don't know whether the company's going under tomorrow, they don't know if you're running off to Mexi

Everyone takes a risk. It isn't just you. Your developers don't know whether the company's going under tomorrow, they don't know if you're running off to Mexico. They've thrown in their lot with you, and they have a ton riding on you being honorable, a good businessperson, etc. Using your "risk" as a way of explaining why you take way more than one of your staffers sounds like the typical post hoc ergo propter hoc handwaving. Exploitation by any other name. Sorry, I don't mean this to sound totally dismissive, it sounds like you run a decent shop and I like that your devs are happy, but talking about your pay disparity in terms of "risk" just sounds like a thin explanation for "because I said so".