"and during that "wait" time, a sales rep, in SFDC, can move them out from receiving another communication by using the following:"
IF this is true, then they have not yet been added to the stream, which means they are not members of the program. They're still in the wait step.
That's the other thing I thought it might be and makes sense... Thanks for confirming! I'll have to set a daily campaign to align this nightly. Thanks!