You understand Medium has no ‘Editorial Board’ like in a newspaper? Writers write whatever they judge to be appropriate, and get paid for views (just a reader here so not 100% sure how it all works). Readers pay their subscription, and read what they want. If you want to ‘fire’ this writer, use the ‘ignore author’ function — be your own editorial board. Or cancel your subscription. Not sure who’d notice — certainly not this author.