My interpretation is that more #beginner posts means we can infer from that one data point that there is more beginner friendly content, rather than more beginner members.
In my experience, the beginner-friendly content is accessible to everyone so has the potential to be 'liked' by both experienced and inexperienced members, while the niche and more in-depth content has a more limited audience.
Hope that doesn't sound like I'm splitting hairs, I really enjoyed the article!
I particularly liked the point about using numbers in a post title and whether that correlates to more likes. Interesting stuff :)
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