Due to the locomotive and the steam situation, I consider the 611 event an outlander. It may never happen again.
But there is this Yogi Berra line: Nobody goes to that restaurant anymore because it is too crowded.
If/when East Broad Top gets into action, that will be a traffic drain for the SR. The EBT could become a true Jurassic Park, if they can keep up its charm.
All of this sounds like a lesson from the song EYE OF THE TIGER: exchanging passion for glory.