looking at the code it doesn't seem possible to suppress the message. gum prints its menu to stderr, just like it does with any errors.
honestly you should probably file an issue for this, it seems like an oversight.
Linux questions Rules (in addition of the Lemmy.zip rules)
Tips for giving and receiving help
Any rule violations will result in disciplinary actions
looking at the code it doesn't seem possible to suppress the message. gum prints its menu to stderr, just like it does with any errors.
honestly you should probably file an issue for this, it seems like an oversight.
Thanks for taking a look.