[moonlighter]

That's technically true, but most average users probably don't care. It's like optimizing your car's fuel efficiency by changing your spark plugs more often. When was the last time you changed your spark plugs?

[fingerlocks]

Misfires on a spark plugs are pretty obvious though. Maybe changing the air filter or cleaning the intake manifold is a more apt comparison?

[saagarjha]

If it was free and happened largely painlessly every couple weeks, why not?

[67868018]

Every oil change

[cik2e]

So you change your oil every 20,000 miles?

[rascul]

There is motor oil rated to 20,000 miles or more.

https://www.mobil.com/en/lubricants/for-personal-vehicles/ou...

https://www.amsoil.com/p/signature-series-5w-30-synthetic-mo...