I think that, when you are on hold, the hold music should not stop to tell you that you are on hold. The hold music should only stop when someone actually picks up your call. Vote me for president
"There are 5 callers ahead of you" can stay but it's on thin fucking ice, i.e, it can only stay if it plays when the number of callers ahead of you changes and not every 5 minutes. And CERTAINLY not every 30 seconds