Email from <firstname.lastname@example.org> shows up as multi-part MIME with plain 7-bit content transfer encoding.
Plenty of bands have names that can't be spelled correctly in the low ASCII character set. Double-byte languages especially get hurt.
Is there a good reason not to use base64 encoding for text? In a list view of my inbox, it makes the difference between
おとぼけビ～バ～ - Otoboke Beaver (via Bandsintown)
u304au3068u307cu3051u30d3uff5eu30d0uff5eu3000- Otoboke Beaver (via Bandsintown)
Which would you rather have people see?