One instance might have separate rules than another, so you can use multiple to get around that. Also if one instance gets shutdown for whatever reason you’ll need another instance to browse through.
Generally though, no. One instance is fine and helps keep the system from getting overloaded with users.
Some instances might decide to not connect to certain other ones because of the type of content that is allowed. I can see issues with subjects like pirating and or NSFW stuff. If the instance you are on blocks that stuff you cannot access it, thus making an account on another instance usefull
Is there ever a reason to have multiple accounts in the fediverse?
One instance might have separate rules than another, so you can use multiple to get around that. Also if one instance gets shutdown for whatever reason you’ll need another instance to browse through.
Generally though, no. One instance is fine and helps keep the system from getting overloaded with users.
Maybe you want your porn on separate account, but beside that, don’t think so.
Some instances might decide to not connect to certain other ones because of the type of content that is allowed. I can see issues with subjects like pirating and or NSFW stuff. If the instance you are on blocks that stuff you cannot access it, thus making an account on another instance usefull