Except the experience of the people in that time period, was that it was a very good time.
For some. Not for others. The Gilded Age provided people that had experienced a very good time as well.
No time is a utopia. But refusing to acknowledge that there have been periods when people have had good times in the past, I am not seeing a benefit.
IMO, if someone references a time of past glory, then the next question should be, what made it good and what can we learn from that.
What, in your mind, is wrong with that idea?