You’re right, that works sometimes, until manufacturers get wise and just charge the quality price for a piece of shit. For one-off, niche market things the majority of consumers has no way of knowing which one is a quality product that will do it’s job for a long time and will fail gracefully, and which one is a dangerous time bomb. By the time you find out the money has already paid for some executive’s third gold bath tub.
Agreed, the professor’s mouth and eyebrow should be flipped around.