Sure they are -- eg Ford, Chevy, Toyota, and Honda still sell cars. We're betting on getting to 250k and the maintenance costs: do you pick a Honda Civic/Toyota Corolla, or a domestic brand?

Miele sells dishwashers.

And better made things cost more money for lots of reasons -- better materials ($$), more coats of paint (time, materials), heavier duty metals or plastic (time, materials, shipping expense), more careful manufacture, tighter tolerances, and marketing.