That does look like a more-than-ideal amount of crush. Our metal-fab neighbor tells us that that much crush at a bend typically means one of two things:
1. The buckles/cradles on the inside of the bender are placed too close together (assuming they are adjustable). Try spacing them out and running another piece of test pipe and see if it makes a difference.
2. The pipe itself is too thin. If you used muffler pipe or other thinwall tubing to run this test, you might get different results with cage-spec tubing.
Finally, your test piece was bent at a slightly acute angle (which you ideally shouldn't have in your hoop design). That might also create extra crush.
Jay has an Alfa with an Autopower bar parked here in his living room, and we use that as the benchmark for the ideal amount of crush. It's barely visible, especially in this crappy-ass picture: