I cannot say I am familiar with what is going on here. The past few months I've been too busy with RPs and personal projects to check discord nearly as often as I used to. However, I was an Admin longer than most on Cynder's and MidnightHowl's RPGuild Discord server, and though I have no true hat in the race, I'm going to give some of my experiences so others might take note of them. 

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[*]Unbeknownst to many, including the other admins, I was often approached by users who claimed to be banned unfairly, or a friend of theirs had been. I would get to the bottom of it, and petition one of the higher admins to reinstate the banned person. This happened far too often for my liking. 
[*]If someone ever messaged me, asking me for help on an issue, the first state of business I would conduct would be to speak to both parties and try to find an agreement on an issue. Unless of course one was clearly just being hateful and trollish to another. If that was impossible, then I would start reprimanding them. This was not how other admins worked, oddly enough. [i]Let me be clear on this message.[/i] I am NOT referring to Hanks 'we are simply too busy to see all problems' quote. I am referring to admins who boot people, and claim they do not have 'time' to listen to this 'horseshit.' If you are a moderator or an admin, and you think to yourself 'I don't have time for this shit' then you need to either fucking make time or step down. You are here to give your time to the community. If listening to people's issues gets too time consuming/annoying to you, then people's issues do not get addressed. Your JOB is to address them.
[*]Mob mentalities are less of a problem on a forum, but on discord it is a huge issue. I've seen at least four people, one in particular who was my friend, banned not because they did something wrong, but because of the mob. They would say something that others didn't like (perhaps these 'others' had problems with them on the forum prior), and then the group of people would goad them by annoying them and poking them, until the person made a mistake, and was banned for it. While I am not on the side of Admins having complete control, there are obvious reasons why they don't make decisions publicly. I've seen far too many witch hunts to ask the normal user on why this person should or should not be banned. However if they come to me, of course I will listen. It's my job after all. 
[*]Keep in mind that someone who has had various complains against them probably deserves to get banned before someone who makes a single questionable act. I do not know all that happened between j8cob and the discord, or who called for 'death of muslims.' But from what I know of j8cob, he has probably made many problems in the past. This could very easily have been the last straw, compared to this other person's racist comment (though I do think that a SERIOUS suggestion of threat against Muslims should be shut down immediately).
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My main points here are, while I can agree with the people who have complaints here, many of them have also been complained about for similar things and we should all keep in mind that people make mistakes. It's an admin's, and indeed a community's prerogative, to talk them out between them, and be understanding of each other as well.