Doesn't each major device come with a serial number, and from that they can determine which parts were used with it? Some of this stuff is pretty bad. They co

Doesn't each major device come with a serial number, and from that they can determine which parts were used with it? Some of this stuff is pretty bad. They could of fixed some issues with a few more pennies into putting in better capacitors, but they don't do it for future manufacturing runs? A lot of the issues seem to have a theme of power management issues for the most part.