Originally Posted by Headliner
They lasted for so long because of the standard the original Horsemen set in the 80's. The bar was so high that they were able to come back many times over with the same expectations of the 80's awesomeness. The nWo nearly killed off the Horsemen through various burials. In the end though, Flair became the President in 99ish and became too power hungry. Leading to Flair and the rest of the Horsemen having a fallout.
Yep this is it in a nutshell. The fact that they protected their membership was key. Everytime they let a bafoon into the mix it hurt the credibility of the team.
There were dozens of stables in the 80's but none that had such a high caliber of talent. Only the original Legion of Doom could match and even they did not have anyone like Flair.