No there is no coating, it is plain metal.
But on this issue here it seems like the Cybertrucks have particles on them, e.g. from the railway transport, that rust but it's not the CT itself which rusts.
There are many types of stainless steel, none of them are totally rustproof, so you have to make sure it's well cared for, just like for any other car.
from the article: "The DeLorean features a number of unusual construction details, including gull-wing doors, unpainted stainless-steel body panels, and a rear-mounted engine."
Roguelikes come from the age of boomers and gen x, are hard as nails, very complex, have a cursed tome of documentation and take months to reach victory, if at all.
Well, to be fair a few k is not expensive for medical equipment which is not a mass market, needs certification and usually lasts decades. It's like no money.
What is this "Windows" thou speakest of? I use grub just to experiment with kernel options and select different kernels without writing too often to the efi eeprom
I cannot see what's wrong saying a day consists of 86.4 ks. It's a fact and it's mathematically correct.