There is no going back to the 90s.
The lavishness of the 90s was fueled by credit expansion under the financial deregulation by Reagan and later further deregulated under Clinton, as well as the vast amount of finance capital that flowed back to the US from stripping the Soviet industrial assets and monetizing them into financial assets.
Turns out, when it is easy to borrow, you can consume lots of stuff, invest a fortune in the stock market and giving the appearance of higher living standards. But it also turns out that debt has to be repaid somehow.
All of this ended first with the dotcom crash and then the 2007 subprime mortgage crisis. The middle class and the working class in America never recovered following the 2008 global financial crisis. The only people who made it are the top 1%.