When I'm driving the Mormon-Emigrant Road, I see plenty of campers pulled out along the way. Mostly during deer season, though. I saw that a few years ago, the Eldorado NF announced that dispersed camping was O.K. Used to be to camp in designated sites only, as still in Inyo NF, but there's so much room and self-contained campers that I guess they had to do something.
Just practice fire safety, and don't build fires on windy days. Plenty of idiots out there, and many MLC SC are part of that.