Silence, secrecy and dumping
For the flexer who brings a binder to a card show to be seen with it, and wants the one nobody else can have
The price memory of Jaces heyday is probably propping it up a little, but itll keep some value for a while yet
Playing a character with Bodyguard allows you to divert your opponents focus from these weaker characters so they can quest for longer and generate more Lore
Since cEDH tends to be the environment that finds homes for every form of efficient mana acceleration imaginable, Blood Pet is just going to be more valuable in decks tuned for that part of the Commander format than elsewhere
At worst, Kharis can accumulate tons of value throughout a game, but at best, it can go infinite with wild copy shenanigans