Thanks for sharing, Jeoffrey.
In that case, that field should have something to remind admins that this only applies to supervised devices only like other settings. I checked and that's not present even under 19.12.
' The profile removal password payload has been moved to supervised only in iOS 13. Since this is a separate payload, including it in a profile will cause the profile to fail to install on unsupervised iOS 13 devices. It is recommended to set the Allow Removal option to Always to allow the profile to install successfully.'