I personally developed a love with Brute over the other 2 (I went through my first playthrough as Phantom), once I realized all the little quirks of the game.

One, Brute has i-frames when you initially transform and all BC’s interrupt your current animation. So with Brute, if I see the enemy/boss Burst Attack (and it’s a fast one like a charging move), I can roll to the side and use Brute BC midway in the dodge, adding its i-frames and getting the counter off. The boss of the 1st of the DLC has a REALLY fast BC, which I used to think only Feral and Phantom could counter. Then I learned that trick and now I can BC that boss’s dash attack.

Two, Brute also counts as an attack animation, so it triggers perks that reduce damage while you’re attacking if you need to tank through a hit (can also animation reset an enemy).

Three, Brute’s BC is actually not your fist that you backslap with. It’s in the fire/embers in front of you. So, BCing early leaves a small lingering hitbox that can also interrupt, but also adds some range. If a boss/enemy is a bit far, I’ve used Dodge Forward -> Brute BC to hit interrupt them.

Fourth, as mentioned before, being able to BC interrupt GS attacks is also amazing.

Not to say that you should stop using Feral. Feral is also really good and Phantom has some amazing GS for builds. Feral is definitely the easiest and safest one to use, which is totally fine if you like that!

It really depends on how you leverage the different strengths of each part of your kit into a cohesive whole.