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Re:Tall Buildings of the Last Fifty Years by BerislavLopac on Sunday October 13, 2019 @08:56AM (#21240123)
Well office buildings get torn down routinely; I would expect there to be a separate reason why 200m+ ones are not.
Re:Tall Buildings of the Last Fifty Years by pas on Monday October 14, 2019 @04:25AM (#21246159)
The higher/bigger the building, the bigger you need to replace it with, thus it's a much bigger investment, than finding a lot with a smaller building on it.

As a sibling post a bit up mentioned JP Morgan's 270 Park Av. building 215m and it's getting replaced, because in this case it wasn't easier to "just find a lot with a smaller building", which is probably very rare and rather recent (though once there were multi-storey buildings in place of every skyscraper in Manhattan) solution.