What do I think? I think this is as plausible as any prediction.
I think that mass adoption for commercial use will drive the price way past 10K if that every happens.
This.
The truth is that the OP article is quite worked out and detailed, but it can fail like any other prediction. I enter the section of speculation because I like it and it entertains me but I do not believe that the many predictions that are made, no matter how detailed they are, can always fail, because there are always things that escape the analysis.
This being said, I also believe that as adoption increases, the price should follow.