No matter who chooses whom, many sponsors of children in need see God as the real driving force when they enter this arrangement with far-away strangers.
Not everyone's a fan of this fundraising approach. But it does bring the needs of children in developing communities to the attention of many Americans.
Voluntourists' ability to change systems, alleviate poverty or provide support for vulnerable children is limited. They don't have the skills and can perpetuate patronising and unhelpful ideas.