What was wrong with the activities in the days of Noah?
The activities themselves—eating, drinking, marrying, and giving in marriage—were not wrong. The problem was the intense, frantic activity and preoccupation, a build-build-build mentality that characterized the days before the flood, setting the stage for the tribulation and the coming of the Son of Man.
Les teaches that Matthew 24 is primarily tribulation ground, but the tribulation won't suddenly erupt from tranquility. Instead, the stage is being set now, with the world in frantic build-build-build activity everywhere. Jesus said that as the days of Noah were, so shall the coming of the Son of Man be. In the days before the flood, people were eating, drinking, marrying, and giving in marriage. Les points out that there was nothing wrong with those activities themselves; the problem was the intense activity—the frantic pace and preoccupation that mirrored the pre-flood world and signals we are getting close to the end.
For as in the days that were before the flood they were eating and drinking, marrying and giving in marriage, until the day that Noe entered into the ark,