From the river to the sea?
Sorry, but there’s no way to be polite about this. That chant, and the PSC’s own logo of a map of Palestine from the river to the sea, and the subsequent chanting of “Israel out of Palestine” really could mean only one thing.
The demonstrators, or at least the people leading the chanting and making up the slogans, were supporting a one-state agenda, a solution to the century-old conflict between Israelis and Palestinians by demanding that one side pack up and leave.
This is clearly nothing to do with supporting the Palestinian.