Is it possible to hide channel join messages in Slack?

Some customers prefer to reduce the noise in Slack channels - particularly when there are a lot of coming and going within the channels.  Slack requires that you do this as a Workspace admin and describes the process here: https://slack.com/help/articles/115002695043-Manage-join-and-leave-messages-

If you need further help, please don't hesitate to reach out to your Customer Success Manager.