If you want to take my reply to Netjets Owner and parse it, I'm sure you can make all sorts of arguements regarding regional pay vs fractional pay.
Besides, if the regional crew loaded my bags, made sure my food was just right and had my ground transportation waiting planeside, I'd probably tip them.
Besides, if the regional crew loaded my bags, made sure my food was just right and had my ground transportation waiting planeside, I'd probably tip them.