This might be a bit tangential to the general line of this discussion but I feel it is related.I know that Pitpass.com isn't always held in high regard in these parts and often for good reason they did publish this article earlier
https://www.pitpass.com/65878/Could-...ge-teams-image .It deserves a few moments of your time as it makes it less likely that images of cars will be circulated and that eyeballs will be exposed to the liveries the entrants have chosen to highlight the identities and trade names of the sponsors.The whole purpose of sponsorship is to get the names of the sponsors displayed to the greatest number of people and imposing barriers and costs will tend to limit that exposure.