To borrow Thomas Sowell’s prose in “Dismantling America”, while Brisk is not the root cause of the many problems with the “Torah observant” community, it is the embodiment, the personification, and the culmination of dangerous trends that began with the age of the Achronim.
As the Chazon Ish said, it’s better to be a “small Rishon” (like him) than a “great Achron”.
You want proof? Nah, I’ll leave that job to you.