i disaggree for the following:

1) it is illegal

2) the enforcment takes place when the phenomena seem to grow  and to become a  problem

3)Dual citizenship does not protect an israeli citizen from  getting into trouble in an enemy contry.

4)When this happened , the israel goverment  is expected by the victim to bail him/her out  either by diplomatic negotiation (through a third party) or by rescue operation ( with life thretening situation to the rescue team and the local citizens) or by exchange with terrorists.

5) More over, also the Isreali public expect government involvment in rescue the victim  ( in the tradition of "bnei Israel arevim za laze")

6) there were 3 cases like that in the past , one ended with a relatively small "price" and the other 2 took much effort and resources  including blood

7) it can end up in a war (some times a small trigger is the begining of a war - many examples in history)

 8) journalism can be a cover for espionage ( some ofthe great spys//) so when it come to enemy country which  is involved in an going blood war with Israel ( see last summer)  one  must be carfull.

In summary , hostile borders are missery to the  citizens in both sides including ( but certainly not the wrost of it all) prevention of free travel for  family visits, buisness, schooling , tourism, ecollogy cooperation, health treatment as welll as  journalism