That is a true problem, but an orthogonal one to what I am talking about. Gantt charts subtly, but deeply, work in the assumption that task failures will be Gau

That is a true problem, but an orthogonal one to what I am talking about. Gantt charts subtly, but deeply, work in the assumption that task failures will be Gaussian. There are many problems with the whole "I can schedule the world months in advance" in the software world, even these two aren't all of them. There's a reason it isn't just sort of a failure, but such a comprehensive failure, across decades, across all scales of projects, or, rather, there's a lot of reasons.