If you think that there's an LP's worth of good material on the '90s albums
then have you heard Jagger's solo album Wandering Spirit? That one, in terms of both quality and style, really should have been a Stones album. If you want a better Steel Wheels/More Diverse Voodoo Lounge, listen to it. Sure everyone is going to find a few songs they don't like, but the real issue, IMHO, is that it sounds like a bunch of professional but anonymous session men rather than a band that's been playing together for decades. Gee...if only Jagger could have found a way to alleviate that shortcoming.
Even from an ego perspective I don't understand what he got out of doing this as a solo album. It didn't sell more than half-a million copies in any market, while the Stones albums released on either side of it each sold 2 million in the U.S. As far as I can tell he only did one concert and an SNL performance in support of it.