Let's please not (or at most, add a scary warning for non-tagged devices), as this would break the use case for at least all retrocomputing.
Aren't most retrocomputing USB devices running open source firmware? Adding a descriptor "WebUSB supported" is a few commits and a firmware update away.
Aren't most retrocomputing USB devices running open source firmware? Adding a descriptor "WebUSB supported" is a few commits and a firmware update away.