My horses are in my backyard, so there isn't much drama. My mom and I do bicker about horse stuff all the time, but nothing comparable to the barn we boarded at before. It used to be WW3 every other week there.
There are pros and cons about having them here. Nobody steals our stuff, uses our horses, takes our feed, not nearly as much drama. We save a lot on board too. But I don't have anybody to ride with because with the people in my neighborhood, I would either be babysitting or riding with people who beat or starve their horses(which would probably end up creating drama). I also don't have a 200ft x 150ft sand arena, or miles of trails, or a trainer to help me/my horse.
All in all, I do like boarding with other people because of the different opinions and techniques that everyone brings to the table. No, not all of them are good or "the right way" but I have learned so much from being around others. Also, riding by yourself is fine but I miss being able to ride with others who were competent enough to handle themselves/their horses so I don't have to babysit someone the whole ride.