There is no “intelligent being” on the other end encouraging suicide.
You enter a prompt, you get a response. It's a structured search engine at best. And in this case, he was prompting it 600+ times a day.
Now... you could build a case against social media platforms, which actually do send targeted content to their users, even if it's destructive.
But ChatGPT, as he was using it, really has no fault, intention, or motive.
I'm writing this as someone who really, really hates most AI implementations, and really, really don't want to blame victims in any tragedy.
But we have to be honest with ourselves here. The parents are looking for someone to blame in their son's death, and if it wasn't ChatGPT, maybe it would be music or movies or video games.... it's a coping mechanism.