Prediction: Switch will sell less than 15 million if home console, less than 35 million if 3DS replacement/hybrid.

[Xxain]

I would think by now the Battery life gives it away. Switch is a console that can be played on the go. If it was meant to be a handheld, Nintendo would have prioritize he handheld first, but with low Battery life, obviously not the case. Switch is redesigned Wii U at the end of it all.