Evolution is all, or almost all, evolution by destruction. Michael Behe gives the analogy of a bridge separating you from an invading group of enemies.
ID proponents have long predicted that functions would be uncovered for such non-coding DNA.
One of most popular attempts at explaining the flagellum via cooption was developed by Nicholas Matzke.
The contrast between the evolutionary sterility of Lenski’s unintelligent Darwinian evolution and the evolutionary potency of Arnold, Smith, and Winter’s intelligent evolution is striking.
Most studies simply infer or invent some story about the evolution of a gene without any experimental tests.