High Scalability is a serious and informative blog, and I wouldn't dismiss it. This isn't TechCrunch. Its focus is less on rigorous scientific analysis of a narrow field, but a good, moderately deep, overview of anything to do with data scaling. And it's doing a darn good job.
The second sentence is admittedly a cheap-shot and a bit overgeneral. I thought about editing it out, but people had already responded to it and I hate when people ninja-edit the part of a post that I'm responding to.
His employer doesn't matter. It doesn't add anything productive to the discussion. If one of Bing's developers had laughed off articles about Microsoft's architecture as "look at the adorable little journalists running around throwing big words around", I would not expect it to rise to top comment.