Yeah the Attitude era was the best thing that happened to wrestling. It forced a bland WCW to become edgy, and WCW ran with it, pretty much making HEELS the face of wrestling as they did with the nWo.
Faces turning heel combined with edgy and creative writing was the best thing to happen to wrestling. But of course, all good things must come to an end. WCW's mistakes and Vince buying them out was the final nail in the coffin.