The hardware is there, but the market may not. Take for example, people on console are significantly more willing to pay for a game to play. Mobile is the oppisite (where paid games barely get buyers unless its top cut (e.g minecraft, terraria, stardew valley)and people play F2P games instead)

Resident evil is capcom testing the water for higher end mobile gaming.

Well, that and Apple has a history of not supporting the open standard graphics APIs, requiring devs to do more work in order to port on Apple Devices(well this is more in particular apple on laptop/desktop where molten is a requirment) ios iirc has support for vulkan.