How many perfect models have there been in the history of RTR OO gauge? If you don't like the Hornby Star, or don't think it's worth the price, then you don't have to buy it.
The Dapol D1000 that Steam Museum sold has been mentioned as a benchmark for excellence, but Dapol glued the cab interior in, so that you have to stick the headcodes on the outside of the headcode box glazing - oops...
And then from Bachmann, we've had the mistakes with Collett and Hawkesworth Halls, and when compared to the FIATrains LMS diesels, the Bachmann one is plainly not quite right above the windscreens.
What would be interesting would be some of the experts and critics on this site getting together and, using 21st century methods like 3D printing and crowdfunding, setting up a business to make the perfect models that everybody craves. What about it, chaps?