The comment refers to an article specifically discussing only one aspect of a major historical event.
The French revolution is considered one of the most important events in the history of Europe, because of the great impact it had on the (among others) politics, economy and the quality of life of common people.
Downplaying its importance by trying to water its impact down to "but rich still rich, no?" is a sign, that the comment might have been made in bad faith or without proper understanding of the source material.