Multi-community simulator
Defederation avoidance, usually paired with accounts on special interest servers you don't want to risk losing access to.
Porn and non-porn.
Privacy by dividing online activities between multiple accounts to make it difficult to profile you and to maintain some pseudonymity.

[–] rhythmisaprancer@moist.catsweat.com 8 points 4 days ago (1 children)

Maybe to add to this, there may be folks like me who initially joined on things that became problematic or we wanted something "better" and are now on something different, leading to doubles. Not sure if my older accounts (like kbin) would show up but they might.

[–] sloppy_diffuser@sh.itjust.works 6 points 4 days ago

I have a few of those. During the reddit exodus when the API changes went live, I had to register on a few servers to finally get a working and stable account. Issues with email or setting up captchas to prevent bots resulted in a few of my accounts not going live until a week+ later on some instances.

[–] Weslee@lemmy.world 2 points 4 days ago

Ah okay, makes sense, thanks!