All kidding aside, these are relatively small frogs with rather scrawny hindlegs, so unfortunately we won't be getting a viable protein replacement for our trout. As for the merits of trout versus YLF, this has been discussed on multiple threads. The Seki EIR foretold the Amphitheater operation and I was pretty sad when I read that the basin was in the cross hairs from the draft stage of the EIR. I too have fond memories of Amphitheater. I was there in 1993 and whereas the fish weren't huge (best went 13", although I saw a fish that looked in the 15" range in the outlet stream) having decent fish in what to me is one of the most gorgeous lakes of the High Sierra was a terrific combo. I never got up to fish the upper lakes but I had heard great things about them from others (at an amazing random meet up at a trailless lunker lake in Seki in 1996) and had resolved to go check them out the next time I headed for the Amphitheater-Dumbbells area. When I found out about the plans to remove the fish from the basin, my route plans for my eventual (I hope) return to this area changed.
Anyhow I am hoping the frog reintroduction is a success and the frogs make a comeback because the more precarious the YLF survival is, the more lakes they will eliminate fish in.
The only issue to your statement about success is If they are successful in a few places, they'll push to remove other fish for frogs in other basins.