Currently Online 
Tying hardware, especially gaming hardware, to a subscription is a crappy idea to me. The ownership issue of games and online requirements has been bad enough from the PS4 and Xbox One to the present. This would be even worse.
You shouldn't have to pay for GamePass to play games or use a piece of hardware.
Microsoft seems content with their cloud services on phones and computers. A Steam Deck made by Microsoft doesn't seem like a good idea.
Lifetime Sales Predictions
Switch: 151 million (was 73, then 96, then 113 million, then 125 million, then 144 million)
PS5: 115 million (was 105 million) Xbox Series S/X: 57 million (was 60 million, then 67 million)
PS4: 120 mil (was 100 then 130 million, then 122 million) Xbox One: 51 mil (was 50 then 55 mil)
3DS: 75.5 mil (was 73, then 77 million)
"Let go your earthly tether, enter the void, empty and become wind." - Guru Laghima
