Well that’s partly because he can not self create from the post. Most of his points are assisted.

Those dudes can create for themselves AD can not

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https://www.reddit.com/r/nbadiscussion/comments/ze3tuo/oc_the_uniqueness_of_anthony_davis_offball/

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When he scored 55 points last season only 7 were self created.

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https://www.reddit.com/r/nba/comments/faio03/is_anthony_davis_bad_in_the_post/

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AD is bad in the post and can not really guard dominant big men.