mw13 didn’t say disprove any action. mw13 said there in no known Rov who disapproved of the bochorim’s deed.
FTR, I asked one of the most respected (across the spectrum and ideologies) Rabbonim in New York about this incident, and his response to me was that he was happy to hear what they did. He hasn’t told me I can go on the internet and publish his name.