I posted in a different thread as well, but I'm having the same issue. I'll just copy/paste my other comment:
I'm also having the same problem with my old account showing up as my "Main" account, and the new account showing up second on the list. I talked with the chat support yesterday and they couldn't help me, they allegedly scheduled a higher level technical support technician to call my last night, but I never received a call.
If you could help me unlink my old account, I would be very grateful.
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