Except that "hostnames with a digit" argument is incorrect, as this was explicitly allowed (with a MUST on support, no less) in RFC 1123, section 2.1. Quoting ancient RFCs when they've been superseded doesn't actually help one's case here.
Except that "hostnames with a digit" argument is incorrect, as this was explicitly allowed (with a MUST on support, no less) in RFC 1123, section 2.1. Quoting ancient RFCs when they've been superseded doesn't actually help one's case here.