Is there anything Yahoo can do about this persistent abusive stalker?
Here is an example showing one of the most persistent abusive stalkers on the Yahoo boards. Muting him does nothing. He will even change his ID and picture to match yours before following you around to smear you.
This is the original guy:
There is A LOT of this type of abuse currently going on in the boards. He has been reported numerous times over the years to no avail.
32nd
ranked

Hi,
When you’re using Yahoo, you can report abusive comments you find on news articles, answers, and reviews by following the steps listed in this help article: https://help.yahoo.com/kb/news-for-web/report-abusive-article-comments-sln6657.html
Regards,
Yahoo Finance