I have heard you mention your struggles before Robert. I think the most important thing you can do on Medium is read other articles and leave comments. I read a ton on here and in truth treat it almost as a part time job. I would wager that I am on the platform at least 4 hours in a day, if not more. So I think the secret to success is devoting lots of time to it.
In my reading I pay a lot of attention to how others format their stories. I try to study how they are writing, and what seems to be successful. I do believe that it is a formula, and if you can figure it out, you will crack the Medium code. But again, that takes a lot of time and perseverance.
I do hope that you continue on Medium because it really only takes that one successful article to slingshot you forward.
Best of luck!