Soldiers wear uniforms. Hamas scumbags wear civilian clothing to blend in which causes an increase in civilian casualties. Which is the reason why non-uniformed combatants don't get the same protections under international law as unformed combatants do.
Israel didn't like the terms and they have most of the leverage, Anthony Blinken said there were a lot of "non-starters" in the offer. What exactly those were I don't think has been made public.