This image, from Fatah's official Facebook page, evokes both the two-finger "Victory" sign and the Muslim Brotherhood's four-finger gesture, with the caption "For your interpretation." The commenters understood it quite well.
H/t Palestinian Media Watch, which also notes that the PA has long supported a hostage-taking strategy.
The Ministry of Information of the PA says that the IDF actions in Hebron to retrieve the boys are a "flimsy pretext" to continue "aggression on our people" and that Israel has "kidnapped an entire people."
Good to know that the "unity government" of ineffectual, harmless technocrats happens to support terror.
Israellycool has a large collection of cartoons and photos and tweets showing Palestinian Arab glee at the war crime.