Um, yeah, but the situation they're talking about is one in which it is not easy for one aircraft to have the other approaching aircraft in sight. Look at an airport diagram for MEM. Visual approaches are normally made to 27(CRJs and Saabs, sometimes DC-9s, excluding FedEx) and then perpendicular approaches to the 18s or 36s. The situation they're describing is when the 18s are in use. The 18L approach path crosses over the last half of 27 and with an aircraft going around off 27 and one on short final for 18L, if the aircraft on 27 never got the aircraft on the 18L app in sight prior to touching down, they will never know the proximity of that aircraft on a go-around or have the time to acquire it while executing a go-around. And MEM tower always points out traffic on the perpendicular approaches if you are on 27 and vice-versa if you're on the 18s. They're very good about that, except it is sort of difficult to spot that other aircraft from either runway. At least it is for me .

Our company always gets approaches to 27, up until recently, when it was no longer offered to us very much anymore. Always wondered why, and when one of our guys asked the tower one day why that was, they responded with, "can't talk about it over the frequency, but if you want to call the tower later on the phone, they'll tell you". Now it all makes sense.....