No. Pollution attacks and attacks from other mods are not changed. Applying the rampant AI to standard squads would completely destroy the standard settlement, since there is no way to distinguish settlers from attackers.
The original rampant controlled all squads, as a result of which it was forced to take on the function of biter expansion as well. As a result, for some players it quickly populated almost the entire map, while for others it did almost nothing. So, it was disabled in Rampant Fixed.
So, leaving only pollution attacks, the player will play against the standard AI.
Perhaps you should lower the "AI: Action points scaling" multiplier to a comfortable level and switch the AI difficulty from "Hard" to "Lite" in the map settings? Lite difficulty has weaker attacks in the late game, and counterattacks for destroying nests are also weakened. But in any case, you will have to protect the base with defenses