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I don't think it's true at all.

Two reasons. The first, even ignoring that truth isn't necessarily widely agreed (is Donald Trump a raping fraud?), is that truth changes over time. eg is Donald Trump president? And presidents are the easiest case because we all know a fixed point in time when that is recalculated.

Second, Google's entire business model is built around spending nothing on content. Building clean pristinely labeled training sets is an extremely expensive thing to do at scale. Google has been in the business of stealing other people's data. Just one small example: if you produced (very expensive at scale) clean, multiple views, well lit photographs of your products for sale they would take those photos and show them on links to other people's stores; and if you didn't like that, they would kick you out of their shopping search. etc etc. Paying to produce content upends their business model. See eg the 5-10% profit margin well run news orgs have vs the 25% tech profit margin Google has even after all the money blown on moonshots.