>>38784876First person has its flaws but one thing it has going for it is that it allows you to get much closer to someone's raw unfiltered thoughts than possible. It's also much more chaotic. That being said, I still prefer the usual style, so I can for now just consider this practice for in case someone commissions me first person again, because I'll likely not write first person myself.
I say that as if I'm writing non-commission stuff a whole lot. 