Scraped data isn’t legal to resell, scraping isn’t even legal in the first place.
Just because you can scrape the data doesn’t mean it’s worth anything.
Companies like MS, Google, OpenAI, FB they make money by selling the usage of their LLM services to other companies who then they use that service to make their own products.
If it came to light that MS/Google/OAI/FB were using illegal training data for their LLMs, it would get all those other companies hit in the crossfire.
So these companies have to do a shit tonne of diligence to assure their investors and clients that their LLMs are purely trained on legally obtained data and are safe to use.
And you know what is a super easy way to assure them of that?
If they literally own the original data themselves