He wasn't better than Bonds in the 90's.
Bonds had four years with an rWAR of 9 in the 90's, three between 8 and 9.
Griffey had one MVP in the 90's, Bonds had three.
I guess if you only watched American League games you might think Griffey was better but he wasn't.
He was more hyped, I'll give you that.
If you don't believe me go look at the numbers.