Once upon a time, the ENY in EW arena was practically nonexistent. One side (represented mostly by a single highly organized squad) often had like 4+ times the population of the other countries combined, yet was still able to fly the (at that time) most capable and dangerous fighter available, the Hurricane IIC.
In the end, the opposition simply walked out. Being constantly outnumbered AND facing top level fighters was too much for most of them. The dominating side simply continued to grab now totally undefended base.