Staying with Apple even after they "purposely" hand you broken keyboard is psychological abuse. When people become habitual of abuse, they even start defending it. I am searching for my next Android. No longer waiting for Godot.
It is a common misconception that the "expert" knows the best. Expert can be a trainee, or may be motivated to make more for its organisation or have yet to encounter your problem.
On the other hand, if you are using your car for a decade and feel it needs a new belt - then get a new belt. Worst case scenario- you will lose some money but learn a bit more about an item you use everyday.
Drew launched a great new product, fine tuned it to be one of most loved and then made profitable company. Respect