Did anyone not read the documentation? I'm pretty sure this will be a non-issue soon.
> How does Apple File System handle filenames?
> APFS has case-sensitive and case-insensitive variants. The case-insensitive variant of APFS is normalization-preserving, but not normalization-sensitive. The case-sensitive variant of APFS is both normalization-preserving and normalization-sensitive. Filenames in APFS are encoded in UTF-8 and aren’t normalized. […]
> The first developer preview of APFS, made available in macOS Sierra in June 2016, offered only the case-sensitive variant.