So are Filipinos and Indonesians not archaic?
We usually do not think of them that way. Most Filipinos are not archaic but some people who live in the Philippines are archaic. For instance, Negritos are obviously archaic. I believe the Igorots may be archaic. They resemble Taiwan aborigines and a number of them look almost Caucasian. There are also primitive Filipino groups such as the Mangyans, but I am not sure how archaic they are.
There are out of and out Australoids in the far east of Indonesia. These are Melanesians with about 20% Taiwan aborigine mix, somewhat like coastal New Guinea people except these Melanesians have more Chinese in them.
I would say that the Sea Dayaks of Borneo are archaic.
So the Igorots of the Philippines and the Sea Dayaks of Indonesia at least appear to be archaic Paleomongoloids.
The Filipinos and Indonesians themselves are fairly modern creations mostly via repeated infusions of Taiwan aborigines, mostly the Ami, who came by boats. These migrations happened over 3,000 years in the Philippines with the last one being ~2,000 YBP. The movement into Indonesia was about 2-3,000 YBP.
They moved along the north coast of Indonesia on their way to coastal New Guinea where they bred in with Papuans and became the Coastal New Guinea people, who are different from the Papuan Highlanders. They then went to Polynesia and Micronesia but apparently not Melanesia. The Polynesians are 50% Melanesian and 50% Taiwan aborigine and I think the Micronesians are 50% Polynesian and 50% Taiwan aborigine, so they are 25% Melanesian.
I suppose we could call Polynesians and Micronesians Paleomongoloids, but most people don’t seem want to do that for some reason. For instance, Moiriori skulls line up very well with the Ainu and the very archaic Paleomongoloid Kennewick Man in the Americas, so groups like the Maori are obviously archaic
These Taiwan aborigines who left Taiwan were the Lapita people, the greatest mariners that ever lived.
The base for Indonesians which makes up 80% of the genome is a mysterious group called Proto-Dai. The Dai are a people who live in Yunnan in Southern China. Their ancestors apparently migrated to Indonesia during a glacial period involving flooding and they have gotten stuck out there due to flooding of land bridges. The Proto-Dai were probably a Melanesian type, Australoids.
However these proto-Dai have been evolving in Indonesia for 15,000 years. During the same period in Vietnam, Melanesian types have been slowly transitioning to Neomongoloids. In Vietnam the process was completed 2,300 YBP, a date which coincides with a massive invasion of Vietnam by Southern Chinese which seems to have resulted in a massive infusion of Chinese blood. In other words, the Vietnamese transition to Neomongoloid 2,300 YBP was caused by a massive infusion of Southern Chinese stock. Vietnamese are very new Neomongoloids and I believe they still have Australoid residual features.
A principal component of the Filipinos representing the maternal genome goes back up to 30,000 YBP and may represent the Negrito people or something other Australoid type. There were other peoples that moved into the Filipinos down through the years, including a group that looks like Ainuids. Proto-Ainuids were in Thailand 16,000 YBP, and they went, apparently by boat, to Japan by 13,000 YBP where they become the Jomon people. It stands to reason that they might have stopped by the Philippines along the way.
While the maternal Filipino stock is ancient Asian Negrito or Melanesian type, the male line consists mostly of Taiwan aborigines, mostly the Ami tribe, who came in waves over the last 5,000 years. The Ami lived on the coast of Taiwan and were expert boat-builders, and it is thought that they are the Austronesian people who populated much of Island SE Asia and Oceania. Filipinos also have a fair amount of modern Chinese who have come in in the last 800 years. Many of these were Taiwanese Hoklo or South Chinese from Hong Kong and the Guangdong region.