Friction is useful when you are trying to stop a car, but not useful in the pistons of a car's engine (It makes them less efficient).
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If you think about it, anywhere lubricant is used to prevent the wear or heating of parts. Engines, Axels, hubs and shafts...
how does friction help car tyres?
It's useful
The friction is useful on a bike when you push it.
Friction is very useful but it has its own disadvantages. Friction causes wear and tear. Friction spoils the soles of our shoes. friction reduces speed This is all wrong some not useful types of friction are are when airplanes fly the friction causes heat that materials that will withstand which are costly.
It is helpful for when you walk .