At the same time, although the US was party to some international scuffles, prior to 2001 was a time of relative peace. And the full scale of the climate crisis was not yet clear.
So I can see how someone born in ~1975, who didn't really follow the state of the economy until ~1985 might recall the 1990s as a time of peace and prosperity.
[1] https://tradingeconomics.com/united-states/employment-rate