This is just a capitalism and consumerism thing, built in redundancies ensure a constant stream of income for any producer. Whether that be games, phones or furniture, they're all built to break and there's never any aftercare or maintainable available you just have to straight up replace it...,(reply>), Computers in the 80s came with schematics or board print outs so that you could learn how to service your own device by actually servicing it. Our modern world of disposable everything is only a recent occurrence and most of those who are educating the next generation either don’t know that or want to make sure that piece of information is forgotten.