The Disney organization has long been known for innovative business practices, many of which visitors to its theme parks experience in subtle ways. For instance, lines for rides and restaurants have signs at certain points telling how long the wait will be from that position — 15 minutes, 30 minutes, etc.  Except the times are exaggerated. Usually the wait is somewhat shorter.

They are following the business precept of "under-promise, over-deliver." Most businesses take the opposite tack and say anything to mollify customers even if there's little chance of fulfilling the promise.

The Mouse knows best.