Why are ADCs getting buffed when so many ADCs have a high winrate already???

How are ADCs weak according to the theory and understanding and knowledge given by General Discussion and winrate AND playrate determines the champ strength? According to https://lolalytics.com/ranked/worldwide/platinum/plus/home/ Only 7 adcs are below 50% winrate and it isnt even far below. How are ADCs weak according to the theory of General Discussion?
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We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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