Every bug is a "n00b mistake" when you are looking right at it. There is not a single large project that is not filled with or at least has had trivial bugs with serious repercussions.

> Every bug is a "n00b mistake" when you are looking right at it.

Except the ones that are just the universe conspiring against you, like bit flipping in the SM-1800 because of heavily irradiated cattle being transported on a nearby train line.

If you’re a noob then yes every mistake is a noob mistake

I think it's more a statement of the quality and clarity of the postmortem that this problem appear so obvious in hindsight.