That's silly because it was designed to be exactly what it is. Maybe they didn't know there would be general interest, but certainly he/they knew what it would be if it did get traction, that was the whole point of the work.
"Oh, wow, we just realized what this is and the people who made it just had no idea" is quite patronizing.
Yeah its a bit of a misnomer with the way its worded, but what he means is that the ones who are actually using it (early adopters) often dont understand the fundamental economic situation and are therefore astonished by its performance.
I suppose there are early adopters like that, but I've experienced a 300x increase in value and I often wonder what is taking so long.