[cjbillington]

At the time the theories were put forward, Sanders supporters believed Sanders was to come out in front, so they thought the delay was harming him. Both sanders and Buttigieg were claiming their internal numbers showed them in front.

Sanders may yet come out ahead when full results come out - the betting markets put it at 25%, so the theorists might yet be right that the delay hurt Sanders the most (not necessarily right about their theories, but I sympathise with the general level of paranoia - although an given theory probably isn't correct, I think those dismissing them all as crazy lack imagination).

Arguably, since by all accounts Sanders performed much better than Biden (who is seen as Sander's main competition, not Buttigieg), it's still relevant that the delay hurt well-performing candidates in Iowa (Sanders and Buttigieg) and benefited poorly performing candidates (Biden).