I agree that the core claim of the MM report is not under dispute. But take a look at their article now that you know the context around how those ads were generated.
I don't know if it's defamatory, but you have to agree that it comes off as a bit disingenuous based on the new info from X. Of course that info from X could be BS, which is why I said we'll have to wait for the court case to know for sure.