Some MMO we have

[Jojoya]

It's because the login server works in batches. No, there is no 20+ player login queue at 4AM, it's just waiting a while for potentially more people to try and log in.

Except I rarely see the queues at 4am. Queues usually start around 7 or 8 am Pacific and then last until about midnight. Between midnight and 8am, I'm rarely placed in a queue.

While it does work in batches, it works in batches during period of high log in activity and not constantly. Things like players traveling to different world for hunts or special events can mess with the queues even in off peak hours, though.

And I suspect you underestimate just how many players are online in the early morning hours, at least for NA. We have a lot of OCE, SEA and even some JP players in addition to NA players who don't have standard work schedules online. Not nearly as many as peak hours will see but still enough to get content done (Dynamis being an exception for any but leveling content).

Ahhh, the NA burbs. They need a jeep wrangler mount and some outlets for that specific DC.

Just need to get people out of the habit of automatically turning to data center travel for content. Queues continue to improve as more of the new characters created when the data center opened are completing Shadowbringers and moving into Endwalker.

They're not lightning fast queues but they're slowly catching up to other NA queue times based on time of day/content type.