The video of the aircraft crossing the road wings level (well after #1 separated) and maintaining relatively controlled flight until too much energy bled off suggests to me the aircraft was likely to be controllable to a landing if sufficient thrust was available.

..for a moment. If there was sufficient hydraulics damage it might've stopped being controllable.

And even if they worked the fire might've damaged the plane enough.

For example https://www.faa.gov/lessons_learned/transport_airplane/accid...

when they lost tail engine, all of the hydraulics went down