He may have protested against the desecration of graves and/or Shabbos in EY. He also refused to bail out a couple of his hotheads who got wild and ended up in jail while demonstrating.
The Satmar Rov, Reb Amram etc were yechidei segula. Engaging in this type of kanois without a leader on that level is dangerous.
When were the ads placed? The Satmarer Rov (Reb Yoilish ZYA) was physically unwell from 5726 until 26 Av 5739 when he left our world. There was much going on in Satmar that he was not able to control after he had a stroke, and his successors never had the kind of control that he once did.