Maybe now that they cloned Buster, https://medium.com/write-under-the-moon/catch-us-if-you-can-bf087354e4a5, they will implement easy controls:

"As for the clone accounts and their spam, it’s simply insanity that Medium doesn’t employ measures to stop the cloning. It’s easy to set up a system whereby an account cannot have the same icon and name as another account. They could also employ a system that AI reviews comments to block those that are clearly spam by recognizing when they are just requests to be contacted outside the platform."