Listeners at root level will cost your app a lot more, especially when you use a lot of them. With the ability to apply them on children instead of root it must be easier to stop the Event listener from listening when the element no longer exists to prevent memory leaks.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Listeners at root level will cost your app a lot more, especially when you use a lot of them. With the ability to apply them on children instead of root it must be easier to stop the Event listener from listening when the element no longer exists to prevent memory leaks.