The throughline of the blog seems to be that the public at large have uncovered that tech (the industry) isn't about tech (the cool stuff we build) anymore, it'

The throughline of the blog seems to be that the public at large have uncovered that tech (the industry) isn't about tech (the cool stuff we build) anymore, it's just a vehicle for marketers. I suppose there's a cynical question to follow up: was tech ever about tech? If so, when/how did that change? If not, how did the public get fooled for so long?