I totally agree. Hallways and corridors are too narrow, with only small turns (really bad for Aliens, e.g. Dragoons - I play only as Human but I don't like unfair maps

).
Also, the rooms and corridors are too 'stacked' - I mean, there are a whole bunch of obstacles blocking the path (again bad for Aliens).
The map is too linear - it's like a long, straight path. More entrances, shortcuts and by-passes are needed (for Aliens).
But the map design, the ideas and the whole accomplishment is very nice and enjoyable.