alt Hacker News> We don't really need multiple exits in case of fire because fires are occurring less often and people are getting plenty of warning.
Based on the video, external fire exits were a bad idea from the start and were recommended against 150 years ago, but inertia is hard to overcome.
(unless I Completely misunderstood)
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bluGill • today at 2:18 PM
External fire escapes are the best they could do 150 years ago with existing buildings that were a fire trap and clearly better than nothing. However even then they knew they were not ideal.
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And the problem with interior fire escape stairs was solved by encasing them in concrete and adding self-closing doors to prevent updrafts.