SNIVY ROCKS

So, my friend and I were talking and I said, "Snivy is so cool" and she said, "No, they're weak cause grass types have so many weaknesses!" and I'm like, "No, just because something has a lot of weaknesses doesn't mean it's not awesome!" So, guys. I need your help. Please, please, please comment and tell my friend that Snivy is AWESOME! Please? In case you were wondering, here is the list of grass type weaknesses: (when they're not dual types)
Bug
Flying
Fire
Ice
Poison