Just a thought but if you watch any of those "Russian dash cam" videos you'll see that Russians are also not fond of washing and polishing their cars. I think it is a hangover from Soviet times. The Russians see consumables at the very basic level of utilitarianism.
"Me Boris...me no care if watch shiny. Must work, must take knock from shovel when I dig potatoes. If broken, fix. Me no care if no more shiny. If no can fix, sell to stupid westerners! Da!"