By model I mean the data/content, as in Model-View-ViewModel (MVVM) paradigm.
So xaml files only manage the layout with GIVEN content, but the content’s own properties also affect the appearance. Example:
I cannot fix this by only editing xaml files. The ordering of the list is probably done at the model level.
Another example is more of a bad practice in development I assume:
The 3 random civ buttons always have red background, which is hardcoded but not in any xaml files. I think it could only be done in the hidden C# files.
Yet another example, which we can’t achieve by modding xaml files: