If only it was just about the cost of paint. I suspect this is really something more sinister --- engineered obsolescence.
A significant portion of the Apple cult mystic is built around status, image --- and let's be honest, pure BS.
What does a devout Apple acolyte with an old, scratched up, obsolete looking laptop do? Of course he buys a new one!
This is legally a much safer way to promote upgrades and boost sales than installing a software update to slow the old one to a crawl. When the latter approach was tried, it cost them half a billion dollars.
https://www.classaction.org/blog/apple-will-pay-up-to-500-mi...