Requiring email of phone numbers isn’t always something virtuous like stopping spam. It’s also often about first party data acquisition. Even if some people use burner accounts, most won’t, and that means more data to share with advertisers.
Consider a non-combat cantrip. You are a fighter and generally have a more optimal solution in combat using your class features.
Maybe something that fits the theme of your class: Mage hand - fits the echo knight theme of making a spectral hand to grab light things or pull levers. Minor illusion - more illusions and distractions, or mock up a battlefield diagram to share your plan. Message - battlefield commander ability to silently share plans before an attack Mending - maintain your own gear Prestidigitation - cleanup after battle, cool your undershirt on a hot day in armor, warm your coffee at night, start the campfire, show people a palm sized replica of your target/enemy.
Pick something that encourages roleplay out of combat. Give yourself some reason to engage in the downtime action between fights. It will hopefully give you a richer experience.
I don’t think it’s a valid argument against metric, just a thought experiment to consider about the time needed to implement. Converting would be a slow process, but I agree it could be an economic boost as swapping things is a largely a manual process
Sometimes I like to think about the logistical challenges with a switch to metric. The one that always gives me pause is highway signs. Thinking about the monumental task of replacing every speed sign, distance sign, and mile marker across the country in any timely period makes my head hurt.
It could certainly be done, and is probably easier than I think with all the state DoTs working independently on it especially over time. We have a lot of road with a lot of signs.
Except in the article here, they are counting on a driver connecting their phone to the wifi and logging in with Tesla credentials.
In this instance you don’t need to disable anything in the car.