Having access to information about who voted on a post would allow people to locate brigading1 efforts and detect bots spamming down/upvotes on posts. Currently, only admins can access this information, which makes it harder for users to report such behaviour to them.
Or provide the empire controlling most of the bots, extra ammunition to have AI determine a social credit score for everyone. Winner gets a free trip to El Salvador.
Also a clue from one of the links is that “German industrial rate customers, cost is $200k/btc”. Their industrial rate is $0.25/kwh, and so then their claim is based on 12c/kwh utility rates. Utility rates has pretty much always been cost prohibitive. Wholesales and behind the meter power is certainly an advantage large scale mining uses.