It's no secret at this point that lots of people don't stick around after round 10 or 20 in Onslaught, and Bungie is (hopefully) going to do something about it. I really hope they don't do suspensions/timeouts for leavers, but instead incentivize people to stay. This could mean many things, but off the top of my head, benefits such as escalating shiny rate, escalating chance to be your attuned drop, and even just more drops as you get to higher rounds would all be great ideas.