But if it is placebo, obviously he wouldn't notice any placebo change for local models, since he KNOWS he is using an immutable local model. That comparison only works if he doesn't know what model he is using.
I suppose you have a point, there is room for bias in perception and it could explain my sensed degradation of service, however, it doesnt explain the failure of tests, which isn't tied to my internal perception.
That and 'loss' may have been intended to be 'launch'.