As a user, how could you possibly know which of these settings was the straw that broke the camels back or the relative impact of each?
Their decision to allow you to access all features as well as your battery can handle (and eventually the option to take the guard rails off, too) is IMO the simplest and cleanest way of solving this problem.
Due to Apples planned obsolescence making it an absolute nightmare to replace a consumable part because its lifespan lines up nicely with how often they would like you to buy a new device.
Imo it is absolutely critical that a new law be introduced that batteries on consumer hardware must be user replaceable if we want to have any hope in protecting the planet. It would not be hard at all for phones to have user replaceable batteries. Most android phones did for a long time and most laptops just had switches on the bottom to eject the battery.