The piglin brutes aren't afraid of the stuff that normal piglins do, such as soul fire, soul torches, soul campfires, zoglins and zombified piglins.

Steps to Reproduce:
1. Place down the items/spawn some mobs I mentioned.
2. Spawn the Piglin Brutes.

Observed Results:
Piglin Brutes aren't afraid/ignore the items/mobs that normal piglins are afraid of.

Expected Results:
Piglin Brutes are afraid of it.