Ehh, I think David Lee Roth was talented as a frontman and an entertainer, not a technical singer by any means, but that would be like saying Jagger has no talent as a frontman either.
Michael Anthony is the black sheep of Van Halen, by far.
That's true, but that dosen't make him not a great guitarist, a lot of the greatest guitarists are sidemen, not solo guys like Vai or Malmsteen. Do people really care about Page without Plant? May without Mercury? Townshend without Daltry? I don't think so. Chemistry with other musicians is something a great guitarist should have, EVH had that with Roth.