Architecture critic Justin Davidson believes cities are being overtaken by steel and glass buildings cropping up "like an invasive species". He contends that these featureless, indistinguishable towers are robbing our cities of character, and all the stories and history they contain.
I agree. They're ugly and bland. They may be safer (although that's highly debatable) but they add very little to the aesthetics and character of a city.
Watch his TED Talk and see if you agree or disagree.