Don't underestimate the self fulfilling prophecy effect. Quite possible that the massive influx into the field right now will move the needle.
That's a lot of data to deal with, especially since you need to train it, running huge computations using each neuron.
I know nothing about hardware, and this is a very crude prediction/estimation of how AGI would happen, but my point is that we might be limited by Hardware for a few more years.