Economies of scale work against you. If the consumer hardware market shrinks, there will be fewer players on the market. Fewer players may lead to erratic suppl

Economies of scale work against you. If the consumer hardware market shrinks, there will be fewer players on the market. Fewer players may lead to erratic supply and/or monopoly-driven price hikes (see e.g. pharma). So you should care, on at least some level, what everybody else is doing.