I always wonder. If your baseline is that Israel should be destroyed and anyone trying to do so is automatically right, why keep that covered up with all kind of arguments like who broke a ceasefire, what is in an MoU with Iran, which farms are whose...
It's like an argument with a climate change denier where you first have to peel off all the layers of pseudoscientific lies before you get to their real motivations
My guess it that it makes it easier on their conscience