"We knew you would."
In short, Blinken is making it clear that unless we want to absorb the full cost of rebuilding Gaza, [why would we?] we are going to have to offer to make nice with the Palestinians by incentivizing their willingness to take on the massive restoration project. And under what framework would that incentive come? Being agreeable to the acceptance of a Palestinian state alongside the Jewish one.
And we should care, because?