Random XXL maps are quite small compared with other maps. When there are 8 players it gets crowded very fast.
It also gives an advantage to first players. Player 7 and 8 are always forced to go to the middle areas, and have to defend from 2 or more players.
IMHO as it is, it also makes some of those players to choose starting in other's players adjacent areas so that they are killed fast (or maybe having a small chance to kill their opponent).
Therefore I propose XXL maps to be at least 100% bigger. After all they are supposed to be XXL.