There is a shift in society on what can be said and what they keep private. Back then you would pull stings in background, now you can bribe thenUS president in public.

Also: Back in the days™ statements where edited by marketing people and others before publication. Now people blast out stuff on their own via "social media"

Yes, they are different: People who care about others are less likely to become ultra rich. You become ultra rich by mostly caring about your cut and your profits.

While there are exceptions with people who were lucky and were at the right spot at the right time, there is a different distribution of character traits compared to society at large.