The tool is not just one LLM though. It uses multiple LLMs and multiple other non-llm things.
Your argument is akin to saying:
you can’t sit and ride on a wheel, so a wheel can never be used for personal transport. And thus the natural conclusion once you understand what a wheel can do is that you can’t sit and ride in a car, so a car is also useless for personal transport.
The tool is not just one LLM though. It uses multiple LLMs and multiple other non-llm things.
Your argument is akin to saying: you can’t sit and ride on a wheel, so a wheel can never be used for personal transport. And thus the natural conclusion once you understand what a wheel can do is that you can’t sit and ride in a car, so a car is also useless for personal transport.