The Medium Partner Program is not part of the Freedom Machine course and we'd prefer you didn't join. It's a new profit model Medium is using to encourage better writers to write on its platform by danging the possibility of payment for popular articles.
Yes, it seems enticing to possibly be paid for your writing since you're writing anyway. The problem is that it shifts your focus from where it needs to be and will be a huge distraction to your momentum in Freedom Machine, where your writing is aimed as one of three monetization methods that could ultimately bring in more passive income than you can make being paid on Medium.