This is defnitly a very doable decentralized setup process, that still allows users to have different relay setups.
quotingSomeone should figure out Ambassador QRs so when you download amethyst (nprofile…wywf) or damus (nprofile…mh2x) from that url, it automatically sets up your relays to match that npub's and follows them and then suggests follows based on that npub, or other config.
nevent1q…qzjz