Even if what OpenAI asserts in the title of this post is true, then their system is worth negative trillions of dollars.
If other players can access that data with relatively less effort, then it's futile trying to train your models and improve upon them, as clearly you don't have an architectural moat, just a training moat.
Kind of like an office scene where an introverted hardworker does all the tedious work, while his extroverted colleague promotes it as his and gains credit.