Without tools, power sources, or anything else beyond the scant clothes on their backs, they struggled to survive in the new and hostile environment of the primitive world on which they found themselves.
Alas, the fledgling 'colony' finally succumbed to the strange environment, without ever making contact with the descendants of their far distant ancestors for whom they were searching, who had crashed in Africa in the far distant past....
News...and ships...travels slowly across the vast reaches of intergalactic space, but travel it does. Even as I type, another research & rescue mission is nearing the unsuspecting Sol System, where the siren song of distress beacons play their dirge to the stars.
...or... the “hobbits” are indignenous, and our ancestors were the stranded star travelers... ;’)