If you're wondering why they don't make "true color" images, it's because "true" colors aren't scientifically useful. They choose the color filters very carefully to give them the most useful images for seeing certain things, not so that you can get "true color" pictures.

But then I read the second part of your comment and realized nothing I say will be understood.

.....the world's tallest midget?

You really think they're going to let a throwaway line from 2 decades ago end one of their most popular series? It's easy to get around - for example, that was a rule enforced by the Time Lords, who are no more.