The thread topic are 90s groups. If you consider Guns and Roses not a 90s group (as if they were not successful with their albyms during that time), it is so funny. Start refering to that list:
Greatest Artists of the 90s | List of the Best Bands from the 1990s
Appatite for Descruction is an album Guns and Roses would become popular as a rock group without it. Use of Illusion would make them the same popular and successful.