The FILMSY charges (whether by sympathisers or ardent terrorist supporters) levied against Israel have ALWAYS been that the stranded people have NO OTHER WAY to go back into gaza. As proven with this account, there is ANOTHER WAY. So your question is actually irrelevant.
Report: Palestinian, 18, killed in clashes with IDF in West Bank (Haaretz)
from the article: Report: Hamas turned Al-Qaida man over to Egypt as part of border deal