I love her voice, I think her tone is absolutely beautiful and she is clearly one of the best rhythmic singers EVER. People throw around the word "trained" as some sort of crticism, not realising that training is actually going to give you the most NATURAL and effortless sounding voice you can get.
I think I appreciate her now more than ever because I realize how much practice & work she put into where she is now. She is how a performer should be : she's like the modern-day model of what a performer (male or female) should be.
Ultimately that stuff is subjective and up to the listener to feel for themselves. I personally think Bey has a very soulful voice, more so than some of these other "singers" who have been heralded as soulful.