I agree that almost every startup investor claims to add more than money.

I'm a bit more negative - I think that most investors add less than money, that "help" from most investors is, at best, a waste of time, and all too often actually harmful.

I mostly agree with the idea that advice from most investors is useless. (That said, I do know an entrepreneur who says that some advice from a "not investor" got him into a very lucrative business that didn't need investment during the pandemic instead of flailing around looking for investment.)

However, there are other useful deliverables.