As for quality of products: I can not remember the times when we didn't have problems with electrical equipment. And as for cars: there have always been "friday-version" or "monday-versions". And I believe cars have improved since they are made by robots.
Metal is better too - now I can drive my car 12 years, my previous car 11 years, the car before that was all rusty after 7.5 years and all the cars before that too.
My point is: some things have improved. Unfortunately other things haven't.
It also has to do with complexity of things. Computers crash and that will not change, because software gets more demanding and programs more complex - although a change in sourcecode by simplification could improve things.
Company mentality has changed over the years. Company directors are managers who are not in any way interested in product quality - they want to sell, get rich, and don't give a damn about the products or their customers.
This stupid USB problem Scott's Tyros has should be handled by Yamaha on their costs. It should have been fixed a year ago.
Scott should be given a replacement Tyros so he can carry on until his own Tyros is fixed. Yamaha acts like the USB is something special that needn't be working.
No service policy at all.
That's managers for you.

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drdalet