Why is everyone ignoring the list.remove() when they analyze the time complexity?

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    I use Java, so I'm just talking about java. To remove a element from a list, arrayList or a LinkedList, it takes O(n) to remove that. Of course you could implement a data structure of your own to remove a element with O(1) while maintaining the order. But if your algorithm is not O(n), please don't say it is O(n). Don't mislead other programmers. Just like the substring() function. It used to be O(1), But it is O(n) now. So please analyze the algorithm time complexity correctly.

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