Warning -- This article posts a longwinded first person account and finally ends with "this scenario is purely hypothetical". So it sounds like it is talking a

Warning -- This article posts a longwinded first person account and finally ends with "this scenario is purely hypothetical". So it sounds like it is talking about a security vulnerability with git that really happened (signed commits or tags being broken, perhaps?), and it's actually an article saying you should use signed commits if you can't control access to your repo.