Why are the phrases ‘globalise the intifada’ and ‘from the river to the sea’ so contested?

In the aftermath of the Bondi terrorist attack at a Hanukkah celebration that killed 15 people, the New South Wales government is moving toward banning phrases it argues incite hatred. The Queensland government has said it would do the same. Chief among these are “globalise the intifada” and “from the river to the sea”. The meaning and intent of both of these phrases are hotly contested between the Jewish and Muslim communities and their supporters. The main reason they are so contentious is