If this article is to be believed, AMD is outselling Intel by five to one (84% of sales vs 16%). Somehow I think this would be bigger news than one person's post on Reddit (which is the "source" techradar cites as the basis for this entire article)
On Amazon Newegg etc 4 out 5 top selling processors were Amd for the last 6-8 months even before Ryzen 5000 series so in retail Amd 5-1 against intel is not a shock. Even for Oem's a year ago you could barely see an Amd build now days at least half or more are Amd.
But the biggest indicator for me that Intel has started hurting is what Intel is saying to the press. If intel sales were not hurting they would not need to do some of the shit they are saying to the press.
that may be true on retail CPU channels, but the vast majority of intel sales are to OEMs