This law is not comparable to the German Reich. Nowhere does it state that MK's have only Jewish blood as you say the Germans demanded of their gov't.It is only saying that they expect MKs who have sworn allegiance to Israel,to up hold that statement and not go running off to Syria/Iran/wherever with any information that they may have. In other words..no traitors..any more!
Islamic State destroys part of Syria's Temple of Bel, monitoring group says (Reuters)
from the article: Bill to penalize MKs' rhetoric passes preliminary reading