Granted, overpopulation drove much, but if it was all one way drifting, then why would the Hawai'ians have a channel named "the way to Tahiti"? see also https:

Granted, overpopulation drove much, but if it was all one way drifting, then why would the Hawai'ians have a channel named "the way to Tahiti"? see also https://en.wikipedia.org/wiki/Hōkūleʻa https://en.wikipedia.org/wiki/Hōkūleʻa