Earlier quoted context omitted.
As can be seen here, they did punish these protesters. And the House has just passed a resolution saying that the slogan "from the river to the sea, Palestine will be free" is antisemitic. Many states, such as Texas, require written commitments from all state employees that they will not engage in the BDS movement or other forms of protest against Israel. How are these not a punishment for deviance from the desired p…
Well, from the river to the sea, Palestine will be free is indeed antisemitic... because Israel separates West Bank (the river) from Gaza (the sea). Wanting Palestine to be free from West Bank to Gaza means that Israeli state be broken up - which is antisemitic.... Denying someone employment because of their political views is not punishment...
Being of the opinion that the state of Israel is illegitimate or should stop colonialising its neighbours isn't necessarily an antisemitic position, though some antisemites might surely agree. Many others will however stick to the mainstream zionist opinion that jews should be relocated from their home countries to an israeli territory in the Middle East.