I completely disagree— walking around inside Boston City Hall, and any well-designed Brutalist building in general, makes you feel like you’re in some sort of natural rock formation.
Brutalism prizes honesty over anything else— the necessary structural elements are the form, and everything else gets out of the way. And that’s why walking through a good Brutalist building often feels refreshing, or like you’re an explorer:
https://images.adsttc.com/media/images/5c3c/8212/08a5/e59f/5...
Look at the interior of Dallas City Hall, for example, by world-renowned architect I.M. Pei
https://dmn-dallas-news-prod.cdn.arcpublishing.com/resizer/G...
https://www.re-thinkingthefuture.com/wp-content/uploads/2020...