I notice that some anthropologist believe all humans were egalitarian in the past, and others believe inequality was more common they we currently we think with hunter gathers.
This seems to along with anthropologist using modern hunter gathers as way to look at the past which is now considered not a best practice from what I read. Which this influenced the egalitarian hunter gathers idea even more.
I read that it was that they'd sail into the prevailing currents, but yeah the reasoning is the same: go slower on the way out, then turn around when your supplies are half gone and you have the current speeding you along so you get back to safety with supplies to spare in case something goes wrong.
There's a lot of fascinating stuff about just how you find tiny islands maybe a mile or two long at the most that are so flat you can't see them over the horizon too, like how islands leave a massive footprint in the ocean from how they change the waves and how debris from plants will float down current or with the wind, so the target for finding one isn't just a few miles wide but instead potentially tens of miles long, making it much easier to spot and home in on the islands especially if you already knew roughly where it was.
That might have been it, current instead of wind, those college courses are shrouded in memory fog :D I remember Heyerdahl getting brought up solely to debunk him, if that can kinda place where academics was at the time.