Liberals only ever talk about how many American soldiers were lost and how much money was spent on any American war (notice also the "disastrously drifted" part that conveniently elides any question of agency ). The only reason Vietnam raised such a furor was that there was still a draft and young men realized they could be next in line - having a volunteer military mostly eliminated that concern and made wars far more palatable when the soldiers dying weren't people they knew.

I'm convinced that if Afghanistan and Iraq could've been fought with entirely robotic soldiers, barely anyone in would've cared since nobody ever mentions the people who die in the current target of aggression.