Currently no ban for only SX offline use has been reported. Users who used SX offline and received a ban either had used Homebrew or LayeredFS before
Might want to check again:
:
Banned: Yes
Used any CDN Downloader: No
Cleared Error Logs prior to going Online with nx-dreport: No
Disabled "Send Error Information" in System Settings: No
SX OS used: Yes
SX OS used online: No
Played with SX Backups online: No
Layered FS Used: No
Layered FS Used online: No
Played with Layered FS Injects online: No
Homebrew/CFW Offline: SX OS
Connect internet with homebrew/CFW: No
Connect to eShop during CFW/homebrew: No
Played with Layered FS Injects with OwnCert.: No
Does the eShop work: No
Backups updated: Yes
WiFi settings deleted: No
Airplane mode: Yes
AutoRCM: No
SX OS Version used when Online: 5.1.0
Auto-Update Software: No
Proof:
https://streamable.com/b6amh