All who push forward for prisoner swap deals (e.g. in exchange fot Shalit) advocate more hostage taking in the future. Let us remind the teaching of the maharam of Rotemburg (http://5tjt.com/international-news/3015-hostages-and-sages.html) who refused that the Jewish community would pay his ransom and died in captivity.
Pakistan foils planned jailbreak that would have freed Daniel Pearl's killer (Reuters)
from the article: MESS Report / Israelis right to heed Sinai kidnap warning