Some business problems need that. That’s not the same as asserting most do and it’s certainly not the same all business problems.

Some things need to be deterministic. Many don’t.

Even your business will have many such problems that don’t need 100% all those properties - every task performed by a human for example. You as a developer are not all of these things 100%!

And your help query may need to be deterministic but does it need to be explainable? Many ml solutions aren’t really explainable, certainly not to 100% whatever that may mean, but can easily be deterministic.