Very few writers have readers who read them every day. If I wanted the whole story read, I would tell it well in one piece. A well written and engaging piece never seems long. That's just my two cents and many would disagree. Yet, my most read piece is 17 minutes long. https://medium.com/the-pom/dizain-of-suicide-72bcde4dc8d8 . A dizain is a poem. The subtitle is "Along with my essay on matters of life and death, including suicide, from the perspectives gained on my nearly 10-year-and-counting and never-ending spiritual journey" and the header is "We Are Only As Sick As Our Secrets"
As for learning, did you see that Preeti Singh is upset with you? https://medium.com/illumination/a-writer-sabotaged-my-work-and-i-am-hurt-a230b1857793 Don't worry, you can't please everyone and I see your method is growing your follower base. I did leave a comment disagreeing with her being upset--many others agreed with her. Whether or not you feel you should reply to her, with or without some form of apology or not, is up to you. You seem to have a good head on your shoulders.