He was never weak on uprooting outposts; brutal, vicious raids in the middle of the night on families sleeping in their plywood huts with dirt floors. He had Ehud Barak do the dirty deeds, via Druze soldiers he kept just for that purpose, in case the Jewish soldiers should balk.
There’s another story around that Naftali Bennett was going to resign, and Lieberman got word of it and resigned first. Election season.