Interesting points, Sergey.
It's equally interesting that the Tyros series was in the same class as you describe, and yet, their buttons never faded. If Yamaha has to use inferior buttons just to survive in the musical instrument world, then their finances must be in terrible shape. There are other ways they could save money other than using buttons that fade. Unfortunately, this is becoming a trend these days. When quality control goes right out the window with companies like Yamaha and Honda (don't even get me started on that off-topic) who used to be at the top of the pile, we're in trouble.
For users, the buttons are one of the most critical parts of the keyboard. It's like buying a car and the steering wheel slowly turns to soft rubber over a few years. We need robust labeling that stands the test of time as it did in the Tyros series. Just think of what faded buttons will do for the trade-in value
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