I've been doing this several years, and I have never seen a DTV or Dish tech use cones, its just not something they stress. Should they? Yes they should, but I've rarely if never seen them used, I can't even remember seeing a cone on a DTV (HSP or O/O) Van.
Never argue with idiots, they'll drag you down to their level and beat you with experience
This is CABL.com posting #328761. Tiny Link: cabl.co/mbxGL