Just the opposite, Pieter - most newer stuff is designed to be short-term, non-repairable, disposable. A lot of soon-obsolete electronics and flimsy plastic. Lots of outsourcing. And it's not just cameras - all kinds of equipment. There is very little pride in manufacturing anymore. There are exceptions and niche markets, or course; but things will never be like before. Another generation of career repairmen?? They gotta somehow earn enough to eat too! It used to be that manufacturers made surplus quantities of parts just for sake of long-term repairs; but now that practice is almost extinct in numerous categories. If you open a repair business, and can't even get basic parts, everybody hates you. Not a smart business model anymore, at least if you're contemplating repair of small items. And currently, it's generally cheaper just to buy a spare vintage camera than have one repaired.
I'm stating this from experience. Right after I retired, the whole big repair dept subsidary to my own sales division was shut down after decades of successful operation. Why? - the stockpile of parts was getting thin, and replacement parts were either now unavailable or themselves worthless made-in-China crap. And the service was run on the premise of supplemental moonlight income for those involved - evenings and weekends after their regular schedule. It would have been hard for anyone to make an outright living on it, despite cumulative transactions in the millions of dollars per year. End of an era.