In the last 7 days I know of 2 people w/ 4 legendaries or higher who looted legendaries 3 days apart, one being myself lol. A guy I know looted his 6th on tue and his 7th on thu, he was effected by the week one bug. On Sun I looted my 5th (emissary) and 6th today (heroic raid boss), i was not effected by the week 1 bug. For reference sake both of us were at 3 weeks or higher since our last one.
I do know there is added bad luck protection w/ people getting their first couple and personally I was in the camp that the more you looted the more difficult it got exponentially but given what ive seen/experienced recently that goes completely against that and I gotta wonder if maybe there's a bug atm. More than likely it's a complete coincidence and we just got insanely lucky but im curious if anyone else has seen people get their higher numbered legendaries in a very short time span.