If you are capable of being a leonardo, then this approach will work.
Not everyone is capable of being Leonardo
Not everyone is capable of being Leonardo
And even if everyone all of a sudden starts having ideas, only a handful will be useful and successful, and all the other ideas, and people who now have their future riding on them aren’t going to do well.
If everyone was Leonardo, what does the world look like? They can’t all be the greatest polymath of the age