the IDF wants to make sure that these non-hostile Palestinians become hostile. Nobody can expect the villagers to stand by idly while the IDF uses them as training dummies to carry out attacks on them. The children in the village only see Israelis attacking them - how can they not become militant after that? If those kids or their parents become active in Hamas/Fatah it is 100% the IDFs fault.
Second rocket fired from Gaza explodes inside Strip (Haaretz)
from the article: IDF troops conduct takeover drills in Palestinian village