Re: Can we finally settle this?
Utter nonsense. Standard 2nd generation Beta II video quality was essentially identical to the equivalent VHS. Even before Sony dropped the tape speed to fit more on a cassette, it would've been difficult to tell the difference (given identical environments, of course) on anything short of a studio monitor. Sound was much, much better though. Super VHS was actually quite a lot better than SuperBeta.
There's no question that BetaCam and especially BetaCamSP were excellent technologies, but that has next to nothing to do with the home market.