Absolutely. The decision not to attempt to breech the door by the initial units could definitely be justified especially if they knew how strong that locked door was. And how do we know that they were facing a locked door? They probably tried the door.Both the Uvalde officers that entered the school 2 minutes after the suspect, were grazed by gunfire through the classroom door.
It's real easy to say, they needed to take immediate action, as a strategic concept.
It's another thing to say how YOU would breach a door, while the suspect is shooting through that door.