It's a national thing, in UK we look for low mileage cars (nobody dare buy a car with over 100k) and everyone wants to see Full manufacturer history, personally speaking I would not be bothered if it was full dealer or specialist indy, only at re-sale time would I prefer to sell with full dealer history for the blinkered buyers out there.
We all know that most Indy's do
a better job as good a job as the 17 y/o trainee at the dealer