not everybody is lucky like you 🔥. Look at most peoples comments about the drops being bad. You got lucky so just 🔥 and stick those Insights up your ass. 🔥 YOU
It is possible to finish by day 3, if OP got most of the SR from the first event. In fact I finished this event by day 4, as all I need is 3 Insights and 2 Red Eyes Meteor, which I could get 1 for free.