Satellite Images Point to Indiscriminate Israeli Attacks on Gaza’s Health Care Facilities
Satellite Images Point to Indiscriminate Israeli Attacks on Gaza’s Health Care Facilities
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Satellite Images Point to Indiscriminate Israeli Attacks on Gaza’s Health Care Facilities

And it doesn't actually matter if Hamas was using the hospital, or if it was a base of operations.
There are very clear rules in the geneva convention about how to bomb a hostile hospital. Anything other than that is by definition a war crime. (spoiler: the rules weren't followed).
Legally speaking I think that’s an oversimplification: https://thehill.com/opinion/healthcare/4289754-what-are-the-laws-of-war-when-a-hospital-is-a-war-zone/
Your article says exactly what I said, in more words.
Instead of "the hill", go read the articles of the geneva convention, they aren't that long and are really clear.