I thought Travis really did want to use the limo(s) himself. Wasn't shared access to high-end limos the original idea? And didn't the Airbnb founders put the

I thought Travis really did want to use the limo(s) himself. Wasn't shared access to high-end limos the original idea? And didn't the Airbnb founders put the literal Ur-airbed in their own house? I think you are right that there are exceptions to the rule, but those seem to follow the rule to some degree.