If I remember properly (and it's been a while since I did Baldy), the last 1/2 mile or so is almost a "spine" as you hike - very narrow, and rather steep. Narrow, as in a few feet across, with steep sides. Think of walking along a knife edge, where the cutting portion is about 4-6 feet wide.

Then again, it could be one of other summits in that range - I haven't been to Baldy in about 15 years.

Anyway, yeah, I can see them getting onto a ledge what's surrounded by very steep drop offs.

You'd think they'd have enough light bouncing out from metro L.A.