The very frequency of the pictures leads one to wonder whether this isn't yet another move pushed heavily by the pickup artist (PUA) community, like negging and similar before it, which swept the dating scene like a bad case of unchecked herpes. On paper, you can see the appeal it must have for a certain brand of man (and a few women too). Chicks dig travel, and there are no tigers where I live, check; babes respond to danger, and what's more dangerous than a drugged up lioness who has lived her entire life in a pen at a zoo, check; standing next to a think implies you own it or are otherwise associated with it, like piles of money, magnums of champagne, and other babes; check.