The big idea is that some art styles are easy to appreciate without training and some aren't, and we probably shouldn't be making public architecture that's hard for members of the public to appreciate. Similarly atonal music isn't objectively bad, I often like it, but I recognize that it isn't appropriate to use in civic functions.
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Samuel Hughes at Works in Progress has been writing a bunch on this general topic recently.
Most relevant: https://worksinprogress.co/issue/making-architecture-easy/
The big idea is that some art styles are easy to appreciate without training and some aren't, and we probably shouldn't be making public architecture that's hard for members of the public to appreciate. Similarly atonal music isn't objectively bad, I often like it, but I recognize that it isn't appropriate to use in civic functions.