My point was just that, though: 2s of latency on a danger close fire-mission is something that brings the pucker-factor up to a solid 9. At least for me, the (former) grunt on the ground.
Well grunts can disagree, I was an 0331 ten years ago, but you've got me curious about what experience has informed your thinking on this matter. I've only been down range of danger close fire missions twice, and in neither case were we moving around much. The first was when we were pinned down, and the other was when our foot patrol stumbled onto a numerically superior enemy with technicals. I'm hard pressed to think of a situation where a danger close is made any more dangerous by adding a two second delay. Even in a scenario where your FDL is breached and you're poking people to death, there is a clear delineation - you aren't running past your attackers. A flanking maneuver would confusing that delineation, but that takes a lot longer than whatever delay the drone operator faces.
When your sensory data is out of date by up to 2 seconds, you're going to get a lot of blue-on-blue fire.