the 2nd part is for sure true (they believe it's controlled demolitions, and when you believe something, confirmation bias (
https://youarenotsosmart.com/2010/06/23/confirmation-bias/) probably makes you find more and more evidence that prove your belief), and whether it's legit, well, considering who the writers associate with, I would scrutinize their claims more, if finding the truth about this topic really bothered me...