> emphasis on string, not bag of bytes, This is the crux of the issue. You run around reminding everyone of this, yet you are fine with "read bag of 100 bytes,

> emphasis on string, not bag of bytes, This is the crux of the issue. You run around reminding everyone of this, yet you are fine with "read bag of 100 bytes, then go merrily utf-8 decode them" as canonical example in official documentation.