We decided to make WideViewAspect=true mandatory while using ChasePlane to ensure everyone gets the same results regardless of display size. It also gives more options to the user as they can now zoom out to a very large point of view. This is sometimes required for Ultrawide monitors or multi-screen setups. This is not achievable if the flag is set to false.
There is a Youtube video made by Almost Aviation explaining what the ideal zoom (focal) setting is for your simulator and the mathematics behind between WideViewAspect true/false