The replies on the first page of this thread are very funny. I kind of wish I was on this forum back when this was posted. I would have been a lot more bullish than 10m for Zelda. The best I can do is this thread from March 2018.
http://gamrconnect.vgchartz.com/thread.php?id=235151&page=1
curl-6 bet me that PS5 + X|S sales would reach 56m before year end 2023 and he was right.
My Bet With curl-6
My Threads:
Master Thread, Game of the Year/Decade
Switch Will Be #1 All Time
Zelda Will Outsell Mario (Achieved)
How Much Will MH Rise sell?
My Bet With Metallox