User blog comment:ReverseZoom101/"Crisis On Earth-X" Plotholes and Easter Eggs!/@comment-3221148-20171210201445/@comment-27823544-20171211175103

"Not fully explained backstories" are plotholes if the writers condrict themselves, like with the Earth thing. Also, most of your explanations, while not  improbable, are highly unlikely. I just would like the showrunners to have more consistency with their writing. But, thanks for commenting.