If ChatGPT is faking it, we are faking it. We are not faking it. Therefore ChatGPT isn't faking it.
We are not doing the same as ChatGPT. For instance: Because of its training, ChatGPT tries to answer like a human. Humans don't try to answer like a human.
Just like ELIZA can be said to be faking it, ChatGPT is faking it in a different way.