I dare to guess that at least 70% of the accounts I've sigbanned so far are alt accounts. This wasn't on purpose but rather an effect of trying to identify low effort posting behavior. Aside from generally not caring, the two most common reasons for low effort posts are 1) posting too much from one account, and 2) posting too much across several different accounts. In the end, the result is the same: they've run out of things to say, as is human, and it shows.
I'm not certain this is a Reputation issue more than a Meta issue, but the definition of what an alt account is can vary widely. For the forum's purposes, the evidence is usually limited to common addresses or social media handles shared on the forum. While other types of evidence - such as shared wallets or exchange addresses - are often sufficient enough to justify red trust, they are not sufficient for application of a ban, and I feel the mod standards should also apply for sigbans. (not sure this has ever been set in stone).
My approach until now has been to ignore the issue, but The Cryptovator brings up a good point:
This is probably something that should be reported to the mods, because they are the ones who decide what constitutes an alt account for application of the law, and they can also issue sigbans.
Besides, things might get messy if I start handing out sigbans for being an alt. I've been sticking to a random sampling procedure, plus the occasional high-scoring AI poster.
It should report to the moderator if the signature ban is applied by forum moderators. If the ban is applied by you or any other users, then it should be reported to them; it really depends on them whether they will apply ban evasion rules here or not.
But from the community's end, I do not agree to leave a red tag for that. Probably if someone leaves neutral feedback, I won’t encounter that. But from my end, I will advise forwarding the case to whoever applied the signature ban. It’s not the matter of trust; it’s the matter of moderation.
This sounds reasonable except I don't see or handle reports. I'm not actually a moderator and just have one mod power (should have clarified that earlier).
I'm thinking for now I will only consider the alt account factor if a recently-sigbanned user is making an appeal and there is already mod-standard evidence in their trust feedback that links them with another account. This means the evidence has to already be there.
This is an undecided issue for a new problem so I welcome any feedback from the community. Thanks.