You seem to confuse metric with SI units. And prefixes for the base units (like km instead of 1000m) do exist in the SI system.

“Necessary” ist always active, that’s the only way you can be relatively sure what’s what.

The aim is to create a Europe-wide alternative to American payment Services.

So they’ll offer an app that’s also independent from Apple and Google right?

Right?

They can print “made in germany” as big as they like, the money still goes to a US company. If Coca Cola had to pull out of Europe, Jana would make Fritz Cola (or any other) instead, so idgaf.