Putting a cap high enough to allow people to reach financial independence would be something totally different, and I do agree that such measures would probably

Putting a cap high enough to allow people to reach financial independence would be something totally different, and I do agree that such measures would probably stem "innovation" or at least focus it on only solving immediate issues. However putting the cap at a billion would probably have limited effect in this sense, it would probably stop quite a lot of billionaire vanity projects though.