I think the broader point being made is that practically anyone could come along and write code that then gets widely deployed. They just have to pick the right

I think the broader point being made is that practically anyone could come along and write code that then gets widely deployed. They just have to pick the right project, build up a bit of trust, and then submit a subtle but intentional bug. It's scary how easy it might be. It's not very clear how to defend against this.