The wheels would fall off of modern society if ball bearings had quality issues like this.

I know that you are joking, but well-made BBs are incredibly important to just about any modern machine that moves, and indirectly, all the non-moving ones too.

Hell, Albert Speer, Nazi in charge of BBs and other manufacturing, said that the US bombing offensive would have had a huge impact on the war if they had just kept at it with bombing the BB factories instead of giving up.