Yes, humans do effect the habitat, and ecosystems of the Tasmanian Devil. But humans are also trying to make up for the sins of the past, and have taken some steps towards helping the Tasmanian Devil population recover. They are listed by the IUCN Red List as "endangered" and different groups are working to study, and research the species generally, and the "Devil Facial Tumor Diseases" specifically, in the hopes of finding a way to control it's spread, and learn ways to help protect them in the future, beyond the quarantine method used now. For more details, please see sites listed below.
Tasmanian devils do not attack humans.
Tasmanian devils avoid humans wherever possible.
Humans should save Tasmanian Devils because they eat the sick and dead animals.
Tasmanian devils are completely wild animals. Humans cannot "adapt" them, but they can create new environments for them.
Tasmanian devils do not harm humans in any way. The Tasmanian devil performs the useful function of helping to keep the environment clean by eating carrion (dead animals). This limits the prevalence of flies and the possibility of diseases resulting from decaying flesh of other animals.
Tasmanian devils' habitat has been cleared by humans, rendering the Tasmanian devil more vulnerable to being hit by cars. Humans have also introduced other predatorial animals such as the fox, which feed on the same mammals as Tasmanian devils, leading to greater competition for food.
No. Tasmanian devils are marsupials.
No. Tasmanian devils do not attack people. They are shy and reclusive creatures which would much rather avoid people.
No. Tasmanian devils tend to be solitary animals.
Of course Tasmanian devils breed. If they didn't, there would be no Tasmanian devils left today. Tasmanian devils are mammals, which are vertebrates. All vertebrates breed.
No. The possibility is almost non-existent.
Tasmanian devils are marsupials of Australia.