Do you think aliens play an important role on controlling what happens on earth? Are we being observed like we watch lions on safari?
Not all of them, the little ones don't.
The reptilians are neutral despite what the Liberal Media says about them.
The ones you're worried about are in dimension 5 hanging out with Aztaroth.
also, this link
Depending on how deep you go into the occult aspect of ayylmaos you can argue that they control reality itself so the answer is yes they play the most major role, the same way a programmer has the most control over what happens in a program.
Many people believe Aliens are 20th and 21st century sightings of demons considering how "they're there and then they're not there". Do I think demons have a role in controlling what happens on Earth. Yes.