Google openly choose the collective noun for sheep as the name of a technology for labelling humans; I don't think the EFF's response should be the primary source of discomfort here.
Either way, I wouldn't read too much into it.
https://github.com/michaelkleber/pigin https://github.com/WICG/turtledove https://github.com/WICG/sparrow https://github.com/WICG/turtledove/blob/master/TERN.md https://github.com/prebid/identity-gatekeeper/blob/master/pr...
I believe "FLoC" comes from the phrase "birds of a feather flock together", which is a decent metaphor for how the proposal works
(Disclosure: I work for Google, speaking only for myself)