The headline, “There Are No Innocent Palestinians” certainly is controversial, but the essay itself wasn’t bigoted.

No innocents as in none is unlikely to be factually true.   But prosecution of wars has almost always proceeded on the assumption that the general public was a power behind the armed forces.  Hence the bombing of German cities and the dropping of atomic weapons on Japanese cities.  
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It's pretty clear that Hamas viewed the Oct 7 events as a great success and have repeatedly vowed to do it again and again, "from the river to the sea."  There is little choice except to proceed until Hamas is driven out.  To cease fire before this is to hand Hamas a victory from which to repeat Oct 7.
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The ultimate responsibility for civilian deaths rests with Hamas for embedding within the civilian population.