Any platform that shadow bans* content creators is acting shamefully, as they are acting secretively, unwilling to freely disclose what they are doing with the creator, so that they can intelligently respond.
Secretiveness is a quality of the criminal mind and any platform that operates in a secretive way by shadow banning can be expected to be viewed as a criminal enterprise, making secret deals with who know who, exactly?
*Secretly limiting the exposure of online content for political reasons.