Here's the problem: see how far back you need to go just to pluck that out? Literally 2019. What confirmation has there been since then from anyone at Sony? Any of its architects? It's pretty weak evidence, whereas evidence on the Xbox side is pretty overwhelming. Why didn't Mark Cerny ever speak on this, not even at the deep dive? I find that awfully strange. All signs suggest that EA person misspoke or may have been thinking about something else entirely when they made those remarks and applied it to Playstation 5, but no evidence since supports hardware accelerated machine learning on Playstation 5.
You have former Playstation only developers who have already confirmed that Xbox Series X's Compute Units are more suited to Machine Learning. Why is that? It can't be because there are more of them. It must be because there is capability in a Series X shader core that isn't in a Playstation 5 shader core.
Looking at the hardware of Xbox Series X and PS5, Quantic Dream believes Microsoft's advantage could lie in the console's ML-powered shaders.
wccftech.com
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The shader cores of the Xbox are also more suitable to machine learning, which could be an advantage if Microsoft succeeds in implementing an equivalent to Nvidia's DLSS (an advanced neural network solution for AI)."
As for blueisviolet on twitter, since you mentioned him, I see his posts from time to time and I've never known him to fake anything. He will literally take information from either official or highly public sources, and then from there you would be right in saying he will make all kinds of wild guesses and assumptions that are either impossible to prove or likely to not be as he thinks, and then sometimes he appears like he might actually be onto something due to how things line up and the way he presents it (who really knows though till confirmed) plus there's a language barrier that's obvious. English is not his primary language. He has been much more right than people like RGT and Moore's Law have been though, that's for certain. So depending on what you think about him, that should tell you something about people trusting Moores Law and RGT when it comes to either console

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But accusing him of literally faking a tweet from a sony employee? That's a bridge too far. Never known him to make up a tweet. I recall actually seeing that tweet back when it was made and making the rounds. If it's impossible to find now, it's because it's been deleted. Even the poster he was responding to has largely deleted most of their tweets, possibly a request by the individual. I've been on the receiving end of requests by employees (always respectfully, never hostile) to delete specific tweets as it can create issues for them if left up, and I've done so. You think there aren't statements I have screenshotted, I'd love to use in these discussions, but sometimes people slip and say a little too much, and then reach out to have it pulled for sake of their job.