It's always fun to watch very experienced players like Shige, because while it appears effortless, if you watch closely you can see how smooth his cursor is at all times. From that you can at least imagine a fraction of the time it took to build up such a consistency.
game obviously doesnt have that many ranked maps which would suit the difficulty he wants or else he would be playing them instead of having to scavenge for unranked maps or going trough stupid hoops to be able to uprate stuff with osutrainer just to be able to play a ranked map and make it unranked. he cant DT stuff because 99% of the time the stuff becomes high AR and he cant/doesnt want to play that. all that is left is old maps he has already dted or absurd high SR maps to HR like shinbatsu,yomi yori,goodbye,timefreeze etc or super wonky slider maps to HR which he really seems to not like anymore.