“Support tickets from affected users to Steam Support have received a default response saying Support will not help nor adjust the length of vote bans.”
A Warlander review warned buyers about an intrusive anti-cheat that was hard to remove after uninstalling. It sat at the top as the most helpful review for nearly three months. Then a Steam moderator filed it as a scam, and all 2439 people who upvoted it lost voting rights for 30 days. The publisher got the review pulled. Valve went further and punished everyone who agreed with it.