The goat eyes cannot be used by human beings. They are not compatible.
it helps by the way they live and grow
Defensively.
yes
No, not legally, and no offspring can be created.
That piece of flesh is called a wattle. In turkeys and chickens, it hangs from the neck. In goats, it is called a wattle and hangs from the throat. In humans, it can be seen as a small fleshy lobe sometimes present in the earlobe.
it helps by the way they live and grow
Many humans raise goats for their meat as well as their milk. So if you want to consider that humans predating on goats, then yes.
Defensively.
no
Normally, they would drink blood. Preferebly from humans and goats.
they had a new source of food
Yes
yes
They might be able to because I've seen videos online that show goats AND sheep imitating humans.
Yes, sheep and goats have backbones. All mammals, including humans, are vertebrates.
Yes goats are cute no matter what... Unless it had a missing eye & only half a ear...
Yes they could but they would not stay on the humans but the human could carry them on their clothes and reinfect other goats they come in contact with.