For the ones you're likely to encounter, if there's less aircraft loading simultaneously (assuming there is indeed a contributing factor toward stutters from aircraft loading) then the stutter effect should be reduced somewhat.

As I think OBD has explained it previously if I recall correctly, regional activity reduces the density of air traffic, both near and far. There is still far traffic being generated. If that's not the case then yes, it's no different than setting lower air activity, and that's certainly another tool that can be used to improve performance, regardless.

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