However there are "bugs" that actually do turn out to be just cosmic rays flipping bits or plain user error. If you as the reporter don't provide enough information for the developer to be sure they are not going on a wild goose chase then it's fair for the developer to not invest too much time.
Sure. But I'm biased because I was a "customer" of a former (large) company's products while also working at that company. So the bugs I would file were the type that a customer would file, but since I was inside, I saw how they were handled. The tactics that my fellow R&D developers would do to claim something wasn't a bug or reproducible were nearly endless.
