OpenAI's ChatGPT is not an intermediary. Google finds you speech that was produced by someone else. ISPs ferry the speech to your modem. Forums aggregate speech from actual humans who produced that speech and enable you to access that speech.

The group of human beings known as OpenAI is directly responsible for generating the speech that was sent to this child, and they intentionally did business with this child. They did not conduct speech from one entity to another- they produced the speech themselves.