Can the Unformatted Code Detector be disabled per user?

[Firepup650 (Firepup Sixfifty)]

@another_username

Will users be able to disable this

They will, but only per-device as per:

@Discourse

“Do not show this message again” only works per device, not per user. This is a known issue and will be fixed once Discourse gains the functionality to attach user info from themes.