Karamel's poem tells a deadpan story about being abducted by aliens, and the joke is how ordinary the speaker's reaction is. Instead of panicking, the speaker treats the alien leader like a job interviewer, smiling and offering a firm handshake because "first impressions and firm handshakes are important." The leader's verdict is brutal: this one's "not right in the head." The aliens give up and drop the speaker in a corn field.
The speaker never says how they feel, and that's part of the humor. The flat, matter-of-fact tone, helped by the formal, report-like title, suggests someone who is either oddly calm or a little oblivious. Underneath the comedy there's a sadder note. Being judged strange even by beings from another world hints at feeling like an outsider no matter where you go. The mood is light and absurd, but the ending, alone in a field, leaves a small sting of loneliness.