I've worked in a big consumer electronics company and 2. is just a conspiracy theory. Nobody wants their products to be unreliable or difficult to repair. They want them to be cheap to manufacture and unlikely to fail during the warranty period. Everything else stems from that.
Your other two points are broadly correct though. Also data collection is helpful for seeing how customers use products, which genuinely does influence development.
Your other two points are broadly correct though. Also data collection is helpful for seeing how customers use products, which genuinely does influence development.