"Are You Gonna Be My Girl" is leading the charge in an invasion of shallow, mindless rock songs that purport to be catchy but
are really just so musically simple that a monkey could play them. "
I never said anything about it being bad (well, not Nirvana at least) but here you are attacking Jet about writing music that is extremely easy to play and then defending Nirvana as good music despite the fact that Nirvana's music was extremely simple.
Go listen to the guitar riffs in any Nirvana song. Kurt Cobain was a barely average guitar player, all the @#%$ is quite simple and repetative. This is musical fact.