Had there never been a marabou Roadrunner ever made :

I wouldn't have caught (literally) hundreds of Crappie.
I wouldn't have caught quite a few Bass (2-6lbs in weight)
I wouldn't have caught the Tiger Muskie that hangs on my living room wall.

And I wouldn't have caught numerous Drum, Catfish, Bluegill, Green Sunfish, or Warmouth.

Just Sayin'