https://forum.manjaro.org/t/development-q-a-orangepi-neo-01/156450/108
Gardiner Bryant had conversation with Manjaros lead, Phillip Muller and was told that Valve has the Orange Pi Neo in-hand and they’re testing it, probably to bring SteamOS support for the handheld
https://gardinerbryant.com/manjaro-announces-orange-pi-neo-pricing-its-shockingly-affordable/---
Why? They are pretty similar in price. Also Valve can afford to sell the SteamDeck at a massive loss, because they get lots of money from the games people buy to play on it. The orange pi neo is also significantly higher performance with twice as many cpu cores and a way stronger gpu.