My personal opinion, not speaking on behalf of Pi-hole:
There are provisions within Discourse to handle what needs to be handled. I live in California, they can frankly kiss my butt. As for black holes, I believe they need to appear. If you want to be a part of a conversation and then later decide that you don't want your words to be seen then everyone else involved in the conversation needs to know that you have edited/revised/removed your words and thus the conversation is tainted and not to be trusted. The instructions or guides in that conversation are to be held suspect and should not be followed.
We are all grownups here, if you want to participate then we are are very welcome to have you here and contribute as well as receive support. If you don't want to contribute to the rest of the people and be part of the community then you don't need to be here.