IDEA: In ArcGIS Pro, have the ability to password protect an element to prevent it from being modified or deleted from a layout altogether, similar to how Microsoft Excel lets users protect whole tabs or just certain cells with a password.
USE CASE: Our GIS Team are custodian of a number of map templates that any number of users can access, Save As and modify to suit their requirements. Lately though, there's been a couple of compliance incidents that have resulted in close scrutiny of the maps produced and whether they were using up-to-date templates (or and older one with broken data sources). To make this easier to identify in the future, we have included a small, faint text box in the bottom corner of each layout stating when the template was last updated by our team. This is of course Locked, but that only prevents it being selected via the Layout display and moved by accident. Someone could of course still unlock it if they wish, update the text and even delete it outright if they so chose. Having the option to password protect elements means we could set certain elements up that must be included regardless of what other changes users may like to make. This could apply to disclaimers, corporate branding and Logos, or any number of other items deemed essential for all products exported from a template.