Just in case anyone finds this thread, like I did. The answer is to follow the tag, and then adjust it's weight to a negative number - that way it will become an "anti-follow".
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Just in case anyone finds this thread, like I did. The answer is to follow the tag, and then adjust it's weight to a negative number - that way it will become an "anti-follow".