Absolutly, the skill in painting is definately not to be knocked.
When we have made our millions from being the mobile sign maker and a horse trainer we will absolutley have a beautifully painted boat, with all the authenticity in the world but we just don't have that sort of money (see loose stern tube) and the vinyl graphics are free to us while we are in that business.
I'll try to get a pic of our boat to show you, I realise it sounds like we have a plastic looking boat, but it really doesn't.
And I wish I could paint it all my self too, but we tried that. And like you said it would take years and possibly a life time to gain the skill to paint the designs so that I would be happ that they were perfect.