The real reason always was the collective punishment of the people of Gaza, everybody knows that. The official reasons given only being a pretext. The list of items, that were prohibited for years, clearly proves that point, as well as the fact, that still now, nearly all exports are prohibited.
Donald Trump: Israeli settlement construction in West Bank should 'keep going' (Haaretz)
from the article: Opening of Rafah crossing spells end of Israel's blockade of Gaza