Rude

The article is clearly written with a tone that is attempting to influence that reaction.

Here is their source for the claim in the their title:

https://www.notebookcheck.net/Valve-engineer-says-Steam-Machine-performance-beats-70-of-PCs-and-can-play-all-games.1163950.0.html

See the difference between how the two articles are written and framed?

I'd invite you to watch the interview this is all comes from, as well. Yazan has zero hostility and is likely speaking from their intimate knowledge of the data to support this statement.