Because sometimes you don't want or need to drop right next to a star for scooping; you'd rather just keep on trucking with minimum time wasted for manoeuvering around the star and waiting to be cool enough to activate your FSD:
[video=youtube;ZbwbW_MlA-I]https://www.youtube.com/watch?v=ZbwbW_MlA-I[/video]
[video=youtube;ZbwbW_MlA-I]https://www.youtube.com/watch?v=ZbwbW_MlA-I[/video]