If it becomes possible for a solo founder to automate a $1B start-up, then it's not worth $1B dollars, because the barrier to entry for others to do the same is

If it becomes possible for a solo founder to automate a $1B start-up, then it's not worth $1B dollars, because the barrier to entry for others to do the same is much lower. The whole startup thing would seem to implode because of this. The argument they are making seems to be founded on the idea that founders are unique geniuses. Maybe they are, maybe they aren't. I guess we'll find out if there are no more such founders as IT automation advances.