No. Possums will alwasy be wild animals, except in the case of abandoned joeys which have been hand-reared. Even then, they never truly lose their wildness.
There are no possums in possum pie, as true possums are found in Australia and nearby islands, and they are protected in Australia. Possums are not the same as opossums.
The honey possum's name comes from the fact that it is nectarvorious meaning that it only eats nectar from flowers. Nectar is somewhat similar to honey in that it is sweet and it's about the same...