It could be true (and frankly I certainly can believe it!) but an article from someone who didn't buy a company could also be a post hoc justification for why they didn't get the deal.
Like VCs who try to invest in a company but lose the deal (or never get to see it at all): "Oh FooBbarApp? Yeah, we passed"
https://www.google.com/amp/s/www.wired.com/2011/05/why-googl...
Key points:
He did not think Skypes p2p communication was a good fit for Google, going so far as to say it ate up bandwidth and was like an old technology.
The PM's remarks could be summarized as saying the basic p2p communication architecture was overly and only used in order to avoid a cloud/server based architecture.
Basically, the PM thought Skypes architecture and code base couldn't effectively scale or meet real world business requirements that people would pay for.