2002 completely a problem with the game itself?

[PredatoryCatgirl]

The problem unfortunately exists on both ends.

Login server capacity is limited to a finite number of connections. When your connection attempts to reestablish client-side as noted in the doc, it creates a race condition wherein it's highly likely that someone else has already taken the slot you just created while reconnecting, which results in you then being unable to connect to the login server which is now at capacity. Every 15 minutes you essentially have to pray that there is a 'slot' available in the login server as well.

But why is this necessary? If you're already in the login server, why are you being made to disconnect and reconnect again? From my perspective, that makes absolutely zero sense.