Your reasoning is in my opinion not great, if you have a guild where officers and master don't agree on a thing, why can't the master just demote them? Besides, if every officer hates the guy, there is probably a reason behind it and maybe he should not be in the guild at all?
But, as for the suggestion, I can only see this being abused if a person knows he has immunity, he could be generally annoying or spam without the officers being able to do anything about it. Other than that, it could be useful to protect alts that don't fulfill the criteria for a guild, so that the officers don't think it's some random nab.
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