Well for one thing it calls itself "chat" when it offers so much more.
ChatGPT-Py-D-E has some rhythm, but it just isn't a good branding direction.
At some point, they are going to have to rebrand. Which means they left a lot of first mover branding value on the table.
The initial branding was inherently weak; who cares about chat if you can theoretically offer more than chat. But what do I know?