Hard disagree. Else, there would never be any revolution, but history shows otherwise.
Or, as Marcuse put it, the prerequisite for radically rejecting something is not that you have to know what will come afterwards, but at first, you’ll enter a process of rejection of the existing situation and during this process of rejection, you’ll gradually free yourself from shackles and figure out what is to come next.
The ham is the critical part here. It gives the pineapple juice something to work on.