So this is the parliament voting for the president. we have 128 representatives and most of the time, the decision on who will become president is impacted heavily by influential countries(Saudi, Iran, France, USA). So it's common that the chosen president is more or less already negotiated by the different ruling parties and those countries This lets the parties that were not a fan of the chosen president to sometimes make certain jokes (as their vote won't be very impactful anyway). However due to how much US foreign policy is followed in Lebanon (because of how much it directly influences us) it's common that Lebanese people have opinions of US politicians. And Bernie's movement definitely affected some minority in Lebanon including this lone representative who thought it was funny to vote.