"[GNU/]Linux is thought to be secure primarily because of its source model, popular usage in servers, small userbase and confusion about its security features. This article is intended to debunk these misunderstandings".
Based on this, one should try to do as much as possible on a GrapheneOS device
@jlou@privacy No OS is fully secure. Windows and MacOS also have several security holes. It's also a common misconception among people that MacOS is so secure and perfect but it's not.