wow, bizarre. it's the Christian flag. i've never given it much thought but I've seen it in the 90s in a 200 year old church that's not even "conservative".
this reminds me of a convo i had with a friend who thought Harley Davidson brand was "right wing, extremist, conservative, christian". I've always thought of that brand as being hippy, rebellious, sexually liberated.
maybe the authors writing the article are putting in hints that their articles are actually just propaganda. it's a trapdoor to escape the matrix if you notice it.