I have never known any animal hoarders, and I'm happy about it. I can easily imagine how someone would get in that situations. Sometimes you can come across animals and just know that they will probably die if you don't help them. A few boxes of unwanted kittens that you didn't manage to get homes for, and you have a problem. I imagine that most of the hoarders are just well meaning people who got into a problem they don't know how to solve. Luckily, today is easier to help animals, with different animal shelters you can get in touch with online, lots of adoption sites, social media networks... I'm really hoping that these things will solve the hoarding problem, since it's easier to help those animals as well as those people. I have heard of a few hoarding examples that ended well, with the hoarders getting enough donations to open a shelter. These stories happened in places where animals rights are very low and shelters are few.