Why isn't 2024 more like 1968?

Since we’re in Politics, I wonder if the purely self interested and political consequences would’ve been better or worse had Biden set himself up to be called antisemitic and/or “anti Israel.”

And we have discussed current geopolitical events here: https://boards.straightdope.com/t/president-joe-biden-and-the-runup-to-the-2024-election/