Yeah, there is a problem with the word "transitional", it tends to confuse people who don't understand evolution, I think they think it means evolution has "a plan", that it is going somewhere. The "somewhere" is ,of course, us; Homo sapien right? We have big brains, we are the dominant species on the planet now right? Everything was leading to us right? All the species that have come and gone was just some blind and clumsy attempt, like a artist starting out as a child finger painting blobs, until he or she refines their art into something beautiful and sophisticated. I'm pretty sure the dinosaurs would have said the same! (No I don't speak dinosaur, not sure how they communicated. It was a long time ago!)
I suppose this idea helps some theists to reconcile evolution with their religion, but it is of course erroneous. It panders to our ego, like the concept that the Earth is the centre of the Universe, and we "have dominion" over every other species. Bacteria and viruses might prove us overly optimistic on that front, if we don't wipe ourselves out with warfare or people induced global warming. Happy days!