Right or https://www.gamingonlinux.com/2024/09/valve-appear-to-be-testing-arm64-and-android-support-for-steam-on-linux/ is also pretty positive but until it's actually done and does support banking apps (which might not be possible due to a lot of restrictions, e.g Google services, signed ROM only, etc) then everybody will remain on the fence.
Good to know for the PPPro. PmOS indicates the support as partial https://wiki.postmarketos.org/wiki/PINE64_PinePhone_Pro_(pine64-pinephonepro) I should try again at some point.