That's the vulnerability of a "spy ring": you catch one, and could lead you to many, either directly or indirectly. I guess this spy ring just didn't trust in the ability of a tiny Gulf state to conduct an anti-espionage operation, and thus were rectless at some of their operations. It looks like these passports/papers/cards, were used for a while (who knows for which undercover operations), and no doubt that if it wasn't for this butched Hamas operation, these same passports/papers/cards would still be used as we speak, at some time in the future, at another place. After all European/Australian passports can get you nearly to most countries.
Turkish military denies hitting civilians in airstrikes targeting PKK militants (Reuters)
from the article: Was Mossad on a fantastic adventure in Dubai?