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[Mcbride19]

The randomize starting point is an option especialy made for bowden systems(but that can be used also for direct extrusion), it's made to prevent oozing. I don't think that it's an important option for the SD because it's a direct extrusion.
If you're having ooze at the starting point you may change the retraction option inside slicer. Each time the hot end will start a layer it will make a little retraction so you won't have this "tear"(ooze) !

Here is some informartion about how "fighting" against oozing problems:

http://manual.slic3r.org/FightingOoze.html