On The Orville Season 2 Episode 8, Dr. Finn (Penny Johnson Jerald) explains the situation to LaMarr (J. Lee), Mercer (Seth MacFarlane) and Grayson (Adrianne Palicki)
Grayson: If you've been reading Isaac's reports, you must know a few things about us humans. Kaylon Primary: You are primitive biological organisms. Grayson: Maybe so. But our emotions can get pretty complicated. We tend to get attached to things... and to people. Kaylon Primary: A cognitive defect.
Isaac: There should be no shame in the acknowledgment of one's intellectual inferiority. It is simply a statement of fact. Some beings are more intelligent than others. I am more intelligent than you. Ty: But it's not nice.