I think Brutalism had some futuristic views behind it. At least people who built those monstrous concrete structures were envisioning a future world and rejecting the past specially for architecture found in the Soviet Union or Yugoslavia.

I personally dislike it, but it had substance.

On the other hand what the post suggest is just souless corporate memphis - which personally I think it should go away. There is nothing Brutalist there and they should stop trying to force this comparison.