Except the extra cost here is on the wrong side of the equation: it's on the variable side. So yes, CTO's should "pay real money to get real support," but that

Except the extra cost here is on the wrong side of the equation: it's on the variable side. So yes, CTO's should "pay real money to get real support," but that only makes sense if the costs don't scale with every dollar of revenue. A 5% fee is basically impossible to pay for anything that's not software (90%+) margins. Ecommerce, for example, has about 5%-10% net margins. 2%, net, extra payment processing fees is huge.