This gives a better idea for the environmental imaging and an example of how it is useful and can be realistic.
https://www.youtube.com/watch?v=vcCSz_TgMiE
https://www.youtube.com/watch?v=FNouenBzNEA
Civil pilots of airliners for example don't usually have night vision but rather specialized equipment that operates off of FLIR.
I didn't see Arma 2 OA as being severe at the time mainly due to thinking it was a defect of A2's HDR. But with the repeat, and it being a very important part of PIP, it is now more important than ever.