Let me introduce you to Tirana, Albania which has done exactly as you suggest! They elected a former painter as mayor in 2000, and the rest is history. So many of the brutalist buildings in the city are now covered with bright colors, murals, patterns, and more. You can check out some before and after images here: https://blog.ted.com/9-views-of-tirana-albania-with-its-bright-multicolored-building/
Let me introduce you to Tirana, Albania which has done exactly as you suggest! They elected a former painter as mayor in 2000, and the rest is history. So many of the brutalist buildings in the city are now covered with bright colors, murals, patterns, and more. You can check out some before and after images here: https://blog.ted.com/9-views-of-tirana-albania-with-its-bright-multicolored-building/
Lol.
Had to look up the tedtalk https://www.youtube.com/watch?v=oDNgnrt_D8w