Author neglects selection bias: antiques that stopped working after 1 or 5 or 10 years have been in landfills for a long time. My grandfather (1922-2006) opined: "Some folks say things aren't made like they used to be. But I remember those junky old cars that would break down every 50 or 100 miles. I remember that unreliable crap. I'd far rather have a modern car, even if I can't fix it." (He was more of a carpenter…
My granddad was just telling me of cars in the '40s that needed an oul change and "lube job" every 1000 miles.
Those are all things that are still in cars (or have been replaced with digital equivalents) but have become so reliable that we need to be reminded to check them. It’s not unreasonable to expect spark plugs to last 100k miles.