I don't think that was intentional, but invading countries while trying to distract them with negotiations, randomly assassinating leaders and hoping everything just turns out well, threatening to "destroy civilizations", targeting bridges and more, all while aiding and abetting Israel which is intentionally destroying pharmaceutical, educational, and other such civilian institutions is all 100% intentional.

In some ways worse than bombing the school was the effort to implicitly deny it. The school was near a military facility, and itself was a military facility in the past. US intelligence screwed up. They should have simply acknowledged what happened and why. Their response just reeked of cowardice and malice at the highest level.