Well there still could be a marketplace addon that provides an “out of the box” schedule that is more realistic than the current AI traffic situation. With some more generic models, maybe liveries, like a preset.
And for the PC the same data could then be generated by third party applications, going more into detail, using non-generic aircraft etc.
I really doubt someone will start entering all that stuff on the XBox, so if it could benefit from anything in this, it would be basically a preset, maybe a few variations (like with GA, without GA).
What would be really important to me is to have a proper model- and livery-matching (same for VATSIM etc.) and to allow the users to raise the number of visible aircraft.
Currently, the AI traffic is able to draw contrails, but you’ll almost never see them when flying at lower altitudes since the sim renders close by GA aircraft with higher priority while the skies are empty.