Since last October 7, I have averted my eyes from social media at many moments, and not for the obvious reasons—not because a virtual yelling match had reached a painfully high pitch or become a crude display of mental entrenchment. That would be par for the course when it comes to Israel and Palestine. I would turn away, quickly switching tabs, when I was suddenly confronted with a clip from Gaza of a father covered in dust crawling over mounds of rubble and calling out for his buried children...