The other strikes they point out are not at the hospital but “in the area”. I guess they are listing a chain of events and noting that Israeli strikes were occurring in the area around the time of the incident.
Everything else about their analysis has to do with potential interception.
GeoConfirmed just posted this, arguing that the rocket was intercepted and the mid air explosion too far away to be related to the hospital.
It looks like a lot of the OSINT crowd are now parroting the Al Jazeera claim if I am reading this correctly