They gave up the ability to make stone tools and fishing equipment and clothing because the population of about 4,000 people was simply not large enough to maintain the specialized skills necessary to keep the technology they had.
Nad ei teinud enam kivist tööriistu, kalastustarbeid ja riideid, sest saare 4000 inimesega elanikkond polnud piisavalt suur erioskuste säilitamiseks ja tehnoloogiate alleshoidmiseks.