Oh my... this will certainly appeal to David Icke’s crew of loonies who believe in extraterrestrial reptilians.
My half-brother (who I never met until I was 29) thinks that David Icke doesn’t go far enough. He also believes in chemtrails, 9/11, MIB, etc, etc.
On other worlds, dinosaurs could have evolved into huge, intelligent warriors armed with hi-tech weaponry - but without losing their hunger for fresh meat.
I would be more concerned with Herbavore creatures from space, since WE ARE predators they would have an irrational fear of predators and would more likely try to wipe US out to “keep from being eaten”....
I could see them comming here, finding out we eat meat and then deciding that we are uncivilized and then deciding to wipe us out “for the good of galactic civilisation”...