It wasn't even trading an hour or two battery for a 5% bump, it was "when you open the camera, the phone rebooted" - or when you did anything else which demande

It wasn't even trading an hour or two battery for a 5% bump, it was "when you open the camera, the phone rebooted" - or when you did anything else which demanded a short burst of high power the ageing battery could no longer supply. Imagine arguing that you would prefer 'broken phone' instead of 'working slower phone'.