All the geegaws on a modern engine make it less important.
Have you seen what engine oil looks like past -35C?
Butter. Same color, same consistency. You can cut and spread it with a knife. Those geegaws aren't helping there.
Also, there is a hell of a lot more in a vehicle that's sensitive to extreme cold than an engine.
I said less for a reason. Most people don't have to worry about -35C. Cars start reliably down to fairly low temperatures, so they don't need to worry about it.
We're replying in a thread about someone trying to use a vehicle at -40C...
>Cars start reliably down to fairly low temperatures
Start? As the parent comment states, that's the least of your problems.