The speech comes as Big Tech companies are under increasing scrutiny from governments on antitrust and privacy matters and abuse of their platforms.
Several U.S. presidential candidates, led by Elizabeth Warren, have called for Facebook and other tech companies to be broken up.
In his speech before the ADL, a group that fights anti-Semitism, Baron Cohen noted that hate groups and divisive rhetoric are rising all around the world, and he blamed Big Tech for providing "the greatest propaganda machine in history.".
Facebook, YouTube and Google, Twitter and others — they reach billions of people.
And it's no surprise that the greatest propaganda machine in history has spread the oldest conspiracy theory in history — the lie that Jews are somehow dangerous.".
A Twitter spokesperson said in a statement that the company has permanently suspended the accounts of 186 groups.
"Our rules are clear: There is no place on Twitter for hateful conduct, terrorist organizations or violent extremist groups," the company said. »