"Fab" seems a bit of an overstatement. What he is describing is similar in capabilities to what any average university lab with a device fabrication facility is capable of.
Which, at least for the Oslo area, offers more reliable predictions than Apple's weather app (which is always weather.com, afaik) Having said that, and having the Norwegian Meteorological Institute down the road from where I live, their local predictions are often completely off on rain, to the point I always bring a raincoat when going out.
Can confirm, but not sure about better QA of the branded ones. Company issued macbook came with a "Satechi" hub, which died within 6 months, while two other noname AliExpress ones have worked with no issue for 2 years now