For the curious, confused, or uninitiated, this whole phenomenon is almost certainly based on the coincidence that "separation" and "Kevin Bacon" sound similar,

For the curious, confused, or uninitiated, this whole phenomenon is almost certainly based on the coincidence that "separation" and "Kevin Bacon" sound similar, combined with the well-known phrase "six degrees of separation" (https://en.wikipedia.org/wiki/Six_degrees_of_separation https://en.wikipedia.org/wiki/Six_degrees_of_separation). Thus, "six degrees of Kevin Bacon".