Maybe it's because many people believe the NX to be a fused system.
But personally I usually refer to NX as "Nintendo's next system" (especially when making threads), and with that I'm implying that it could be a handheld or a home console, or both separated, or both together. Because it's hard to tell.
Bet with Teeqoz for 2 weeks of avatar and sig control that Super Mario Odyssey would ship more than 7m on its first 2 months. The game shipped 9.07m, so I won