A Dem loss in 1992 would have kept them out of power for potentially 20 more years, at least (having already been out of the white house for 12 years).
when you say out of power all you mean is out of political power. What you are missing is that there are other power centers which can be used. While you were focused on political power dems dominated the cultural field. What dems have realized long ago and that Trump is helping repubs realize now is that everything is interconnected. Politics is just one part of it. If you dominate politics but lose all the other fields the country is still not going to go the way you want to.

