There are several reasons. Gossip and marekting seem to be as important as the subjective perception.
But let´s say it like this: choices today are rather made in a horizontal dimension, so you´d chose Repro besides Dune or what ever.
Repro sounds pretty different than others btw. And you don´t have to tell gtreen fields from cold steel rails. I think you just have to like the tool and feel comfortable. And maybe have some kind of comparison or alternatives.