My eventing career has been short (and interrupted by a non-eventing head injury!) but I have join those of you on the BN tangent to say that I truly appreciate the BN division.
I’ve been riding for about 5 years, and I credit eventing with giving me some basics and confidence to ride in the open and over varying terrain, which has in turn improved my general riding skills a great deal. Obviously there was a trainer in there teaching me the necessary skills, so maybe it would be more accurate to say that the desire to event made me learn these things.
However, my horse is just more than pony-sized at 14.3hh and not very scopey. A good rider could get her around a true novice course, but for where I was when I started, there’s no way I could have. Moreover, as an adult beginner, the size of the fence really did have a big impact on the way I rode! BN size fences were more accessible to me mentally, and easier for my little horse to jump.
I would work and work to get ready for a show, and all that preparation improved my riding, I’m sure. But I always felt like every show was about 30 lessons compressed into one day! I can’t emphasize enough how educational it was to actually go to the show and event my horse. And if it weren’t for the pull of the adrenaline rush, I know I wouldn’t have been bold enough to do some of those “scary” things, like canter down a strange wooded path, canter downhill, through water, jump a bench or a little roll-top. All those things were big to me at the time, and the achievement of coming through the finish flags, or (gasp!) picking up a ribbon were priceless to me.
Novice seemed huge and far away to me, and BN made eventing accessible for my particular circumstances. I have since evented Novice, and schooled a lot of bigger stuff on my instructor’s retired Advanced horse, which was the experience of a lifetime for me! But, I’m sure I never would have even started down the path if it hadn’t been for BN, and now I’m a timid adult amateur who happens to be addicted to galloping. 
It’s not a division for everyone, but I definitely think it has a place here.
Emily
The best way to predict the future is to create it!