I think this is a real problem. Not enough experienced guys to staff a team that just wants to run a few races. With more full-time teams, this isn't necessarily a problem because then the crew guys have a full-time job with those teams.- one of rob wedland's utube videos mentioned they were not properly staffed to run two cars at indy. it showed. even borrowed a guy.
I think a guy like Zizzo does well because he plans ahead of time to just run a few races so all his part-time guys can put in for time off (from their regular jobs) ahead of time to work those races for Zizzo. Too bad he lost with a strong run in R1.
It's the semi-last minute one-off deals that are real hard to staff.