Canadian wolf experts have been warning that habituated wolves can be a threat to people. Anti-hunting groups have been arguing that wolves are harmless. Here is a great article from Canada acknowledging that wolves should be removed when signs of habituation are seen.
Here is a quote from the article:
The N.W.T. Department of Environment and Natural Resources killed a wolf at the Yellowknife dump Tuesday. Renewable resources officer Ian Ellsworth said they killed the animal because it didn’t show any fear of humans.