premise: "It's about respect. Respect for others, respect for the rights of others and respect of the rights of everyone to go about their lives in a peaceful way."
  The group with Blanchett, who won best supporting actress Oscar for her portrayal of Katharine Hepburn in the 2004 film The Aviator with Leonardo DiCaprio, included former Midnight Oil rock star turned politician Peter Garrett.
  Garrett, now a member of parliament for the opposition Labor Party, said the group was delivering a message about "the unacceptability of violence (and) the necessity for us to embrace respect and tolerance".
  The appeal was sparked by fears that new clashes could erupt on Sydney beaches this weekend.
   What sparked the necessity to embrace respect and tolerance?
hypothesis: fears that new clashes could erupt