I can definitely see where you're coming from, and generally yes I agree that what we should be looking for is consistency. There have definitely been times when I've seen one person banned (temporarily) for acting in a certain way, while another person got away with it (multiple times) without so much as a /slap. Sometimes though it seems that it just comes down to, between two people in this situation, what they contribute to the server (not talking about supporter status or anything, but community wise), and the general mood of the mod/admin/founder on at the time. I've only ever seen one ban that struck me as impulsive, and it was later lifted, as I knew it most likely would be.
The rest of the bans/punishments I've seen for people getting in trouble speaking, was generally because they deserved at least temp bans/mutes for it. What they were doing was not at all constructive or helpful, but rather were just badgering already overworked staff members with questions, topics and suggestions that had already been discussed addressed 20 times before that moment in chat. At the same time I've also seen a lot of leniency lately compared to the old days, such was watching arguments unfold in o chat over "u suck" "no, U suck" that would go unmuted/unpunished despite several warnings and "take it to slap" from a mod. It could be seen as a lack of consistency, but I think it's more just taking things on a case by case basis. We don't need to mute/ban for every time the rules are broken, especially if the rule breaker in question is an active and useful member of the community- by the same token, if the staff believes that the rule breaker is not helpful, does not mesh with the community, is not being constructive or whatever it may be, then they're within their right to punish as they see fit. It comes back to what I first said, as "I trust the mods/admins/founders, because while they're not perfect I know they have the server's best interests at heart", even if those interests means I'm seeing my friends punished at times. While I certainly wouldn't be opposed to seeing more consistency (like you and I both said, Seratt would be great for that,) I can also understand why things are the way they are.