I'm not sure specifically who 'Philip Widener' in Great Big Story is without more context. There could be many people with that name, or he might be a relatively unknown figure within the context of Great Big Story's various features.
I'm not entirely sure specifically what 'great big story great big story' refers to without more context. It could potentially be a repeated name for a media project, like a news or storytelling platform.
The phrase 'great big story great big story' could hold significance in multiple ways. Firstly, the use of 'great' and 'big' implies that the stories are of high quality and substantial in content. It might be a way to attract an audience interested in stories that are not mundane but are full of grandeur. Secondly, the repetition could be a form of creating a memorable brand. If it's associated with a media outlet or a story - gathering project, it makes it easier for people to recall. Moreover, it could potentially signify that the stories are inclusive and cover a vast array of topics, from historical epics to modern - day marvels, and are presented in a way that makes them seem even more significant and engaging.
It depends. Great Big Story has a decent reputation, but like any source, its reliability can vary depending on the topic and the quality of research behind each story.