Because of this model, we also make sure that Elasticsearch merely works a search cache, not as an authoritative content database (hence everything we add in there is considered public, on purpose, and what isn't meant to be public is just not indexed in ES)
However the gzip efficiency improvements would be really neat for sure
Fwiw I also don't work on the backend and there might be good reasons to not expressly filter out data (yet anyway, perhaps it will end up as a separate entity and be a include parameter)