I am part of the majority of researchers who reference our claims and back them up with sources, rather than pretending I am the source of the claim and know what Eddie Van Halen used.
In this instance, my source happens to be Eddie Van Halen on video talking about how volume issues led to the new amp which he didn't change the voltage on leading him to use a Variac to get that brown sound.
If people want to challenge that or complain about it then the burden of proof is on them to reference their claims. If they can't then it's easy to dismiss those claims and forget about them.
I play about six songs from Van Halen using his setup. I have his tone so I am happy. In fact, I have tones plural. About four of them from him.