What are you talking about? "I hate him"? He literally learnt how to build an interactive electronic toy for his children and then put in the effort to share it online. You didn't even take the time to read it because he talks about the Toniebox at the very start of article.

So he used AI to do the write up? He also references paying in Euros so English is probably not his first language. I think you need to calm down and critically examine your priorities.