...like this: "🇮🇱🇮🇱🇮🇱🇮🇱🇮🇱"

Reply to their comment and ask them:

"Why is your comment displaying as ������? What is this supposed to mean?"

Make them think that nobody can see their shitty comment and that their efforts are futile.

If they're bold enough to respond, tell them that not even computers recognise the state of Israel and laugh in their face.

Psychological warfare is praxis.