Your Mac's git cloned a fake github.com without a warning: Apple, eMudhra, act three

Apple was told about the compromised eMudhra certificates on Oct 17. On Oct 28, my Mac's git cloned a fake github.com signed with them, no warning. macOS 27.2 even undid the manual workaround. The three-legged lab: Apple git intercepted, brew git safe, the fix verified. Act three of the series.