They were there to celebrate the 600m shekels of exports that Sodastream has brought in. The award was given by Israeli President Shimon Peres and Sodastream had even brought along 3 Palestinian workers. Just to show how liberal and enlightened they and the occupation was.
Palestinian workers that Sodastream brought along
Only problem is that the Palestinians were separated off and subject to a strip search. Thus reminding us all of the context in which the Sodastream bubble operates.