Shouldn't there be a fixed ratio of goalie surface area to goal face? Otherwise, this ends up in a Red Dwarf goalie for the 2224 World Cup which was a genetical

Shouldn't there be a fixed ratio of goalie surface area to goal face? Otherwise, this ends up in a Red Dwarf goalie for the 2224 World Cup which was a genetically engineered rectangular block of muscle the exact size of the goal...