Of course they sailed direct. Scientists can be more PC than anyone.
The overly simple, politically correct, hypothesis that all Native Americans came over the Beringian land bridge circa 12,000 BC is slowly being destroyed but its proponents aren’t giving up. The genetics and linguistics are showing that the populations are much more complex and older in this hemisphere. People were traveling over the seas much earlier than once thought and coming from every direction from Australia, Melanesia, Micronesia, Indonesia, Polynesia, Formosa, Japan, Siberia, Western Europe and West Africa.
I'm a physical chemist.
Now that I'm retired, I'm also a full-time archæologist.
Believe me: as a genuine "hard science" scientist -- the vast majority of professional archæologists are not genuine "scientists".
TXnMA