https://www.rhsmith.umd.edu/research/whats-best-escalator-etiquette-stand-or-walk
https://www.mdpi.com/2079-8954/12/6/203
睇下份原文~睇到就會覺得佢當人係件貨咁去計數,完全冇諗過不同年紀既人活動能力係有所不同,佢痴線到係希望每一級都企滿人
Most importantly, the queues to board the escalator should be filled to take full advantage of pooling effects.
我頂你實際咁做你唔人踩人?
不過佢都指出,左行右企呢個流程係符合「自由」同「公平」,但繁忙時間應該係提倡左右都企,會更有效率
btw....佢份report個funding係This research was funded in part by the Air Force Office of Scientific Research
即係美帝空軍有份資助,如果我地照跟,咪會中撚左美國佬既陰謀