What if you, Dr Greer, were part of a deception to bolster our confidence in creatures we know nothing about, and perhaps we are just poultry on their farm?
The farmer provides food and care for the animals on his farm, and in return he will get milk, meat, eggs, etc. These animals do not know exactly what is happening to them, and we do not know what is happening with us.
Look at our world, stay in the forest or in the desert, you will see how nature is merciless to anyone, in this universe you either a prey or a predator, even for intelligent beings, it is the nature of the universe.
No one can save humanity, except for a non-corrupt leadership that directs humans to the common enemy, whether this enemy is the behavior of humans, or other beings. It is not impossible, but it is certainly difficult for honest people to climb to the top of the pyramid.
Yes, it is possible to make friends with another intelligence, but this is not expected unless there is sufficient data and knowledge resulting from a long period of dealing.
Communication can occur, but this does not mean friendship or joining the universal brotherhood, as the New Age group describes it.