The achievements which society rewards are won at the cost of diminution of personality.
I do think human beings cannot be faulted for wishing to judge themselves and their lives and their achievements by others around them; that is a natural human feeling.
Monumental achievements by humanity should be done by major organizations as much together as possible.
If you are not happy with yourself, even the loftiest achievements won't bring you much satisfaction.
Nixon had some large achievements in foreign affairs. They will be remembered. But a president probably gets remembered for one thing, and Watergate will head the Nixon list, I suspect.