Here's a list of some of my top faves:
ScottCDunn
Holly Kellums
Frederick M. Hess
Misty Moon
Will Shetterly
Argumentative Penguin
Steve QJ
TaraElla
Hermes Solenzol
Monica Harris
Jozua Mosley
Katie Jgln
Rev. Sheri Heller, LCSW
A. Joshua W.
Thomas St. Thomas
Josephine Crispin
Bradley Neece
Casira Copes
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As for my LEAST favorites (aka "the shit-list"), I'm not going to name them publicly via a list, foremostly because I don't want to give them any extra traffic. If you want, I could send you a list privately, though.
I usually don't block people on Medium, out of principle. I do, however, click away from their articles, if I see them pop up on my feed and if it's a day where I'm just not in the mood to subject myself to their bullshit.