[StuBeeDoo]

Personally, I like the models to look right.  In the past I have corrected one or two with glaring errors.

Although I have done one or two fantasy liveries myself I'm not in the habit of buying them, and mine tend to be more "road car with a few stickers running in a club rally" style - like this one..........

   

As for slot manufacturers putting liveries on cars they never appeared on (you can probably guess the oil company livery I'm referring to.....), that's fine if it helps them sell a few more to extend the life of the mould.  But they're not for me unless I can find them being sold cheap enough for me to do a re-livery on.