“Then they should have put out a kol korei that all nice shaitels from the last 20 years should be thrown out.”
Five major poskim issued a psak a few short years ago forbidding any natural-hair sheitlach:
Rav Chaim Meir Halevi Vosner, Rabbi and Head of the Rabbinical Court, Zichron Meir
Rav Sariel Rosenberg, Rabbi and Chief Rabbinical Justice, Bnei Brak
Rav Yehuda Sillman, Rabbi and Head of the Rabbinical Court, Bnei Brak
Rav Shimon Baadani, member of the Moetzet Chachmei HaTorah
Rav Moshe Mordechai Karp, Dayan and Posek, Southern Hill, Modiin