I find the new IFE potentially prominently displaying my name to be problematic. Passengers around me do not need to know who I am or what my name is. I know the crew knows my identity, my name would be on the flight manifest and crews have reason to know who I am, fellow passengers on the other hand have no reason to know my name.
I guess (and hope) the solution is to never log in my MP account on the IFE.