And your point exactly? He already knows it could be much better, obviously. It is his business after all.
And yet despite your finely tuned ability to detect amateurish abandonware he managed to bring in ~$75,000 revenue in on public plans, and if I had to take a guess anywhere between 1x - 1.5x in non-public plans.
As a general rule, we shouldn't use the obvious to tear someone down.