Everyone who goes there gets something out of it I’m sure

I wonder why the ripping up of the letter I guess for anonymity and a sign that everything is good? The Rebbe of Lubavitcher , the biggest group of Franchise Rebbes? Anyone ? Burlier? 

https://www.chabad.org/library/article_cdo/aid/3364017/jewish/What-to-Expect-at-the-Ohel.htm