The wonderful thing about markets that work is that you can swap things out without being under their boot.
I worry about a LLM duopology. But as long as open weight models are nipping at their heels, it is the consumer that stands to benefit.
The train we're on means a lot of tech companies will feel a creative destruction sort of pain. They might want to stop it but are forced by the market to participate.
Remember that Google sat on their AI tech before being forced to productize it by OpenAI.
In a working market, companies are forced to give consumers what they want.