Can’t answer, really.
i’m ok with Tutanota for mail, although Proton does have an .onion address whereas Tutanota does not.
Bitwarden for passwords.
No VPN but i’d go for IVPN.
To be fair they’re ARM-based devices (most of them anyway) and linux works fine onthat architecture. The Raspberry Pi and others, Microsoft has Windows on ARM; as do the new M-series from Apple.
It’s all the obscure hardware, bootloading and vendor lock-in that kills it.