The second is the imbalance between

But this requires a strong degree of teammate understanding, want to play in the road game in such an operation is almost impossible
Choosing to attack separately is the same as waiting for the defender who is stuck in a good position. So ZERO HOUR is more suitable for 5 people to play together, and to be honest, ZERO HOUR is far less entertaining than R6. The reason why R6 did not continue to improve the game's realism is because the game is currently just the right level of hardcore for R6.