My Pass XP22 was my first foray into a dedicated pre-amp, and a big reason I chose it was for it's neutrality based on all my research. Everything is subjective, of course, to some neutrality is boring or lacks excitement. To me, as I was getting into my journey I appreciated the detail, transparency, and neutrality as it allowed me to hear all the changes to the system I was making. And at this level, it really comes down to personal preference as nothing listed above is 'bad'.
I do want to try a tube preamp given how many positive comments there are just to see the difference, but for now, the XP22 is not going anywhere.