Yes, one has to be astonishingly ignorant of history to think that cloistering a society’s leaders in an ivory tower will result in long term stability and prosperity.
Ottawa, Canada wasn't purpose-built but was an insignificant city meant to be a neutral choice of capital between Anglo and Francophone Canada. This has also worked fine.
https://en.wikipedia.org/wiki/List_of_purpose-built_national...
Constantinople lasted over 1100 years.... and Washington seems to be the capital of a reasonably prosperous and stable country?