Who said that? Why are these "some Knesset members" not named? Is this an actual explanation provided by proponents of the law, or hyperbole said by the opponen

Who said that? Why are these "some Knesset members" not named? Is this an actual explanation provided by proponents of the law, or hyperbole said by the opponents (e.g. Arab parties)? Or bullshit invented by the jounalist? Don't be disgusted by unsubstantiated claims.