For lithium batteries (phone batteries) it’s actually more important than draining to 0. Many studies indicate that the average phone battery should last several thousand cycles while only losing 5-10% of total capacity provided it is never charged above 80%. Minimum % (even down to 0%) and charge rate below 70% is also unrestricted.
The tl;dr is that everytime you charge to 100% is the same as 50-100 charges to 80%. Draining a lithium chemistry battery to 0 isn’t an issue as long as you don’t leave it in a discharged state (immediately charging).
Not having to interact with Nazis is tied to which instance I signed up on? I’m confused by this argument.