If you just want videos of WR's for IL's, the speedrunning portion of the Discord has a thread under #run-posting where most WR videos have been posted. There is also a fan made Trello board that has YouTube and streamable links for a lot of the runs as well -> https://trello.com/b/cYBl6Zq2/%F0%9F%9A%95ysap-solo-map-overview

Because they already exist in game.