the pilot said "Pull, Pull, Pull" and yet there was no sign that all that pulling did anything
Have you by any chance heard of laws of Physics?
Do you know what aircraft inertia is?
They had about a few seconds, regardless of the amount of pulling in the remaining 3-6 seconds there would be absolutely no practical difference in aircraft trajectory.
If the tail did stall during the late stages of the go-around, this accident could be a game changer.
If, if, if, could ....
There are lots of ifs and coulds, not the simplest answer you are looking for.