The unstoppable expansion of justifications of euthanasia

from mercatornet:
But although the need for euthanasia to relieve pain and suffering is the justification given, and the one the public accepts in supporting its legalization, research shows that dying people request euthanasia far more frequently because of fear of social isolation and of being a burden on others, than pain. So, should avoiding loneliness or being a burden count as a sufficient justification?