During a recent interview with The Sun, Nick Pope, a former official who investigated UFOs for the British Ministry of Defense, said "weapons that an alien civilization may have could wipe out life in a heartbeat." Also, the "UFOtainment" industry is discussed.

Link to The Sun article: Alien invasion would be GAME OVER for Earth as UFO super predator weapons could wipe out life in heartbeat, expert says (thesun.co.uk)