Maybe not, but either way in order to ensure unobstructed view through the sight the pilots eye line had to be pretty much in line with the top of the coaming, this basically does not illustrate potential for very good forward visibility while using the sight, the people arguing for the exclusion of the 'bar' may be asking for an unrealistic increase in that forward visibility given that that bar is actually a very real physical part of the structure of the aircraft, when looking at the DCS 190 video it is pretty clear that if the pilots line of sight was placed in line with the coaming then even the in game bar would cause less obstruction, so I don't see where any actual change needs to be made.
I might add I do believe there is a need to change the top of the coaming in the 3d model as it is clear now the coaming is a straight line to the lip IvanK illustrates and not so much of the base of the armoured glass should be visible.