When will the Quarantine of Earth be lifted ?

[Tenet Nosce]

I think for their sort of contact to occur, which has had as much an opportunity to occur in any point at the past (unless they really have been unable to emerge from the sub-terrain), they would have to be careful with what they plan to do.

So the story goes- there have been multiple contacts in the past. The last main one occurring ca. 1885.

Consider...that if they are planning to reveal something that would "shift our paradigm", there are those in power who would not allow this to happen- not a conspiracy theory, I mean there are literally people who would prefer to live the way the system currently works, where one suffers while another benefits out of that suffering, rather than living in something like world peace.

No doubt, open acknowledgement of their existence would constitute a massive paradigm shift in and of itself. But is it something (both literally and metaphorically) that emerges from within. The free will considerations are totally different. If these people exist (in whatever form) then they actually a part of our collective -3D- mind.

Hypothetically, they might be waiting for us to prevent the conflict ourselves through our own development; through spiritual development, we might see the falling-off of the current system. [Or, they may not be waiting, and may not even exist.]

Yes- there could be many reasons why they would have decided to have very limited contact over the long years, even if they could have contacted us. Or- we (meaning our governments) could have originally come into contact with them via various tunneling projects.

Lots of things to speculate about.