It's a tactic against spammers and trolls. It's believed that they are not as likely to continue the behavior as they would if they saw the immediate consequenc

It's a tactic against spammers and trolls. It's believed that they are not as likely to continue the behavior as they would if they saw the immediate consequence of their actions. https://en.wikipedia.org/wiki/Shadow_banning https://en.wikipedia.org/wiki/Shadow_banning