Fact: Social media and the comments pages on any site which won’t censor them (that is, most sites that aren’t mainstream, and some which are) are chock-full of antisemitism.
This “antisemitism” ranges from (1) bloodlust to (2) hinting and “asking questions” to (3) viewing the Jews as a threat to internal cohesion and tradition, an invading force of poor and uncultured brutes aiming straight for welfare or national demoralization, (à la Évian Conference diplomats) or inveterate elitists, nothing in between, to (4) vast silent assent.
Can’t go from an Is to an Ought, but…