And then Napoleon showed up, completely re-ordered the society, and got loads of French common folk slaughtered in wars that were mainly won by having more bodies to throw away than the other guys.
Things fall apart and then immediately get put back together. A massive push towards disorder led to a brutal and deadly backswing into order.
Also, most of the major French Revolutionaries got themselves killed. So, you know, if you aren't actually planning to LIVE in the world after turning it upside-down, then go for broke, I guess.