The article is right about ‘decline’: the situation using the eonic model resembles more that of Greece/Athens around 400 BCE as its influence and power contracted. But of course, this led to a new expansion as the Hellenistic age of a new Greek oikoumene, which eventually was replaced by the Roman. New powers are emerging globally, viz. China, and this is to be expected even though the values of the modern transition are so poorly translated by the Marxist super-dogma in practice.
What Westerners call the West or Western civilization is a geopolitical space that emerged in the 16th century and expanded continuously until the 20th
Source: The West Is Experiencing a Contraction of Its Power, Not Necessarily Its Decline – CounterPunch.org