Other people have reported this too. I've never been able to figure out why it does that to some people, I'm sorry.
Ultimately, this is what matters. I'm glad you got a better result.
6500K is correct.
Tell me about your room lighting.
Eizo's "printing" setting is literally for printing. That is, the commercial offset printing industry. NOT for photography.
Which lab?
5000K is not correct. If you have a screen-to-print match at 5000K you are either using a dreadful lab, or have dreadful lighting in your room.