Yeah, if the door jams, engine bay etc. need to be painted. I could see that. With a top-notched job they also strip your car of everything like hood bumpers headlights and so on.
I think the idea was that a $7000 paint job would make my 10 year old Miata look new...so stripping down everything and then painting in bright yellow instead of silver. In the end, I gave it to my 30 year old daughter instead. I still think bright yellow would be a great color for a Miata.