The study also says the original tribal 闽越people only developed the north of Fujian without developing other areas including 闽南aka south of Fujian where Spore and Malaya hokkkens came from. Then the 闽越tribal people mass migrated to 江浙沪 and it’s the newcomer immigrants from China mainland during later 南北朝Nanbei dynasty that developed hokkien into the overall thriving state subsequently.