This article is from the Dog Crating FAQ, by Cindy Tittle Moore with numerous contributions by others.
Of course not. There are many who think they are cruel and will not
use them. People in Europe tend not to use them. People who have not
heard of using them won't generally use them. If you have an outside
yard with a fence or a secure kennel you many not need to use them.
They are extremely useful. But they are not the only means to achieve
housetraining or safety in the house or car. They are, in the opinion
of many, one of the best and easiest ways of doing so, with many side