Right, dancing in the same room WITH NO MECHITZA; he said men and women can dance since the men don’t look. That is just an example of some of his very wacky writings. He also questioned the “permissibility” (his term, I’m not kidding) of calling one of the Gedolei ???? ???? ???? with the suffix zatzal.
These things should tell you that this man is not someone that you want to learn from. You think anybody cares? We look at it the same way as if these rabbis would say the same things about Rava and Abaye. Or Rav Yonason Eyebushitz. When someone says something absurd like that it says something about the one who said it – and it says nothing about the Godol. Really, truly – what these people say doesnt get anyone up in arms. There are plenty of crazy hashkofos out there. (That having been said, to the extent that Kovod HaTorah is violated, we should be upset.)