Both videos are about very different classes of devices from a "modern cell phone". For example you can't blob solder on a data link to a 960 × 640 full color

Both videos are about very different classes of devices from a "modern cell phone". For example you can't blob solder on a data link to a 960 × 640 full color LCD, you'd lose signal integrity. Intel builds their factories in the US because they are required to by law (export controls on certain high tech). I think they are allowed to build some lower tech stuff outside the US (Israel for instance).