I think it might be you who doesn’t know what they’re talking about.
Many startups have tried to enter the consumer electronics space because they thought assembly would be “trivial”, only to find that once the first EVT samples start coming back from China it is anything but trivial.
The tolerances on an iPhone are some of the best around. People don’t always appreciate just how strict the tolerances are for hardware assembly until they’ve tried to do it themselves.
The labor & environmental arbitrage mafia won the war, so fixing the problem is going to be an uphill battle, rather than merely preventing the market from rolling downhill.
Also, it may be that globalization is coming for them next but that they are higher up the hierarchy.
There seems to be a reawakening towards manufacturing in the US with electric cars and rockets. It’s not just Tesla and SpaceX. It’s Rivian, Rocket Lab, Virgin Galactic, etc... I hope it strengthens.
https://www.macrotrends.net/countries/USA/united-states/manu...
Yet employment is down ~4 million people in the same period:
https://fred.stlouisfed.org/series/MANEMP
Edit: Here's a FRED blog post talking about the same thing: https://fredblog.stlouisfed.org/2014/12/manufacturing-is-gro...
https://www.heraldtribune.com/article/LK/20120123/News/60519...
https://money.cnn.com/2017/05/03/technology/apple-tim-cook-a...