There are several possible reasons that may not cover 100% regardless.
Out dated target information. The structures might have been something else at sometime but have changed with little to no intel in the region.
For our technical might, we still fuck up a lot. Think of competent your coworkers are, now give them access to heavy ordinance.
It’s intentional. From the attack on the desalination plant they may just be in the process of causing death and misery because they revel in it. Hegseth has said no more “woke wars” whatever that means.
There are several possible reasons that may not cover 100% regardless.