This only makes sense if you consider a political movement as a solid block that takes a single action then dies. Agitation and action are moments of a single thing. Agitation brings people, and people do the action - but only if you get the work done to turn a situation into agitation. The dude did his part, can you same the same about yourself?

You could have spent the time it took to write your comment to instead get in touch with local comrades to figure out how to spread the news of this event further in your area and talk to people about it and Palestine. You can go do that right now.