I resell electronics and a lot of related stuff so I have gone through a lot of items over my career. My insight into what breaks and what doesn't comes from seeing hundreds of used items weekly. I've handled many many brands of grinders and refurbished a bunch of them. I have 2 Baratzas I'm selling right now and sold a Hario earlier today. I also sold another Baratza part this week.
I never claimed the Baratzas don't ever break, but the motors last decades and everything else is cheap and simple on them, they are made to be serviced, which makes them extremely good value. This is why they are a good recommendation for the super cheap price. I know iof no sub $100 grinders that don't have some problem eventually. Think of the price tag. A $60 grinder is dirt cheap.
Baratza Encores currently cost about $60-75 on eBay on the lower side of the price range That would be a used working machine covered by a money back guarantee. A couple have sold for just $50-55 in the past 90 days.
I don't dispute some of what you're saying about a commercial grinder like that $1200 Bunn G1, but that grinder only has 7 grind adjustment settings. It's really not comparable to an espresso grinder. The special feature of the Bunn is grinding a pound of coffee in 30 seconds. Like you can't get an espresso shot calibrated with that style of machine. Of course, that's not a home machine and it's not really designed for the purpose of a careful grind size / weight. However, end of the day, that grinder is $475 for a used model. If a Baratza lasts 20 years for $60, is a Bunn 10X as good?
Exactly. I use one during camping and when the power is out.