According to The Washington Post in a story from Indiana, it is, especially when the collections being hoarded are cats.
A child was removed from this environment and placed into foster care. About the condition of the home the local animal shelter director said-
In describing the conditions of the house to local news media, Peckinpaugh said it was impossible for him to stay inside without protection for more than 10 seconds. He described it as the worst case of hoarding he has ever seen, he told a local NBC affiliate.