As Chad said there's no winning formula I guess.
I saw some WW11 footage that'd been colourized and it was pretty good but I watched a colourized version of "Casablanca" with Mr.Bogart and is was IMO

Dinosaur.

"Oh Man I only ride 'em.I don't know what makes 'em work". Donald "Oddball" Sutherland

"Don't let the bastards get you down". Kris Kristofferson

"I am only paranoid because everyone is against me". Larry [Frank Burns] Linville