The guy just complaining, but has nothing to propose. As a hard-core C/C++ programmer I'm sure he knows nothing about development process. He's just an end-user

The guy just complaining, but has nothing to propose. As a hard-core C/C++ programmer I'm sure he knows nothing about development process. He's just an end-user who wants to receive all-perfect device/software with version 1.0 for no money, no delivery delay and which never fails. Naive dreamer. It takes years if not decades for every piece of technoloty to get polished and turned into product, but no consumer nor marketers can wait. Another thing is, you cannot make product perfect just by lab-testing it, you have to put it into user's hands to find out all lurking issues. You cannot guess all possible features user might want see in your product without receiving feedbacks. It's all about cycles, AKA evolution.