FGC types tend to be extremely blind to anything outside fighting games. Even when they try to expand their horizons, if they stay in the fighting game sphere they dedicate too much of their time and brain space to fighting games. They can go on for hours about various movesets, frame data, historical events in the community, etc, but then seem rather dumb about everything else. Think of it like the person with a PHD that calls tech support because they are trying to turn their computer on and are only hitting the monitor's power button.