I've had no problems

[Amberyl]

Got the error that told me I was still logged in once and it lasted 10 minutes.
That's it.

I've been logging in and out as I please without any issues and yet people from my server post on here all the time about not being able to play.

Honestly don't see what all the fuss is about.

Even started an alt Miquo'te working to white mage on a different EU server.

Identical experience for the two dozen or so people I'm playing with. No issues whatsoever, outside one guy having to wait an hour to roll on our server.