Not to beat a dead horse, but rolling back to the "They fly now!" "They fly now?!" "They fly now," thing, it's not so much that it's quippy and irreverent, it's that it's quippy and irreverent in a very specific, stock, hacky way that had been recognized as overdone for years by that point.
The writer's room for the show Workaholics had a list that went around on-line of banned lines and phrases that were along these lines, stock phrases and jokes that were once clever and funny but had been diluted into filler through years of overuse. Screenwriter John August described them (three years before TRoS came out) as "evoking the rhythm of comedy without the content of comedy." That's what "They fly now (3x)" is.
And "evoking the rhythm of [x] without the content of [x]" is probably the best description I could give of that entire movie.
The writer's room for the show Workaholics had a list that went around on-line of banned lines and phrases that were along these lines, stock phrases and jokes that were once clever and funny but had been diluted into filler through years of overuse. Screenwriter John August described them (three years before TRoS came out) as "evoking the rhythm of comedy without the content of comedy." That's what "They fly now (3x)" is.
And "evoking the rhythm of [x] without the content of [x]" is probably the best description I could give of that entire movie.