Are these experts in the room with us right now? Because if even the creators of Claude seemingly can't prompt non spaghetti code (see: Claude Code leak), I'd like to know who can.

100%

A novice writing code by hand could also write spaghetti code

If you've worked in enterprise software, you might have seen that even competent professionals can write spaghetti code

At this point AI really is just garbage in garbage out