Why does Demi Lovato always insert herself into issues she's not a part of and gives her opinion on things she knows nothing about?

[delirium]

Lol, remember the days when celebs were these mysterious entities that just gave us good music, or movies, or art, etc., and we didn't have to hear about their opinions because we didn't actually care and they knew that people didn't care?

Idk m8, I assume it's the same reason why we all open our mouths and share opinions about topics that have nothing to do with us. Demi's opinion is just seen by the person that she's yapping about and ours aren't, so her responsibility to be tactful should be greater but I guess not.