You can't legislate everything but umlauts should be chromatic by law.
? Besides they only modify another instrumnt

The one I have on a 1930 violin changes the sound from eeeeeeeeeeee
to 000000000000. Back then it was trade marked as the Resonator.

Breaking news from WPAT:
This Kent Brockman of WPAT with drier .. rather dire news about the pandemic. Experts say "What didya think was gonna happen !!??"