I went to school in a brutalist building from the 70ies? and I always hated it. I didn‘t know why at the time but the concrete everywhere and the soullessness influences the inhabitants.
This could be done better with wood paneling or painting it. But even as architecture from the outside it just looks sad, cold, depressing.
There's a video on YouTube of the Smithsons - a couple who built some landmark Brutalist projects in the UK.
They're clearly either mentally unstable, or on drugs, or both.
They made a name for themselves by designing a modernist not-quite-brutalist-yet school - plenty of concrete, glass and rectangles, which turned it into a greenhouse in summer, a fridge in winter, and an echo chamber for shrieking kids all year round.
Some architects are very strange people, far more interested in building huge sculptures that happen to have rooms in them than creating inspiring usable spaces.
This could be done better with wood paneling or painting it. But even as architecture from the outside it just looks sad, cold, depressing.