The Football League is to revisit its fit and proper persons tests. The specific stimulus appears to be events at Leyton Orient, but protests at Charlton are referred to in this report: Fit and proper?
In particular, the Football League is considering looking at what happens after a club is purchased.
Of course, it might be difficult to devise a test to deal with an obdurate eccentric who wasted his own money. Ideally, one would like to see chief executives to have relevant experience.