Agree. Unfortunately today a Foundation is mainly a optimisation structure. Most of the countries have usually other structures (in their fiscal code) to encourage people to help.

Sticking your nose in "where every penny was spent" is not great and I imagine for most people it would lead quickly to micromanagement. What do you know about charities, about running charities? Anything? Give anonymously. To people who already know what they're doing. You're a billionaire, you can afford list price for benefit events.