er: The five day workweek is a separate thing from making it illegal to fire people who don’t want to work on their religious holidays or day of rest. Even after the advent of a five day workweek it was still legal to fire a worker who wouldn’t or couldn’t work on a certain day of the week due to religion. That protection came later.
In libeal circles (universities, minority rights movements, BDS and other left-wing circles), anti-semitism is openly tolerated. Sometimes they call it anti-Israel and sometimes they don’t bother. And these groups are officially tolerated, coddled to and accepted by official Democrat politicians.