Thank you for the feedback. Seems this is important.
No one person can know everything. Teaching how to solve these problems will produce better software and better people too.
For a commercial product, yours is honest feedback.
But this isn't that. You popped into a literal show-and-tell to heckle some kid proud of his macaroni art. You didn't even critique the product, just insulted its maker. What the hell is wrong with you to think this is appropriate, or even helpful?