I worked data centers for my IBEW apprenticeships — during Snowden revelations — and it was definitely "confusing" knowing that all the technology they said didn't exist existed. "Black, LLC" didn't officially exist/make connections among our clientele.
Unless you were actively vandalizing our public infrastructure, I never questioned anybody's presence/activities on our datafloors.
Probably security is tons better now, but the social entries are still most-commonable.