I'v noticed among some chassidim (Chabad in particular) that they will follow every minute practice attributed to a their rebbe, even to inconsequential ones. For example, I've noticed that most chassidim (such as Satmar) are not particular about following their rebbe's levush, tallis, et cetera to a tee (for example, I've noticed that chazzan Yaakov Yosef Stark, a Satmar, wears a fairly modern tallis [with regular black striping] and pants [rather than breeches and hose] which neither Satmar rebbe does). On the other hand, some (such as Chabad, Belz, and Skver) are very particular about seemingly inconsequential things, such as the pattern of striping on a tallis (Chabad or Belzer/Turkish) and the styles of hats specifically worn by their rebbeim.
This causes two questions:
- Why do some chassidim follow the every action or custom of their rebbe so exactly?
- Why do other chassidim not do so?