It’s Not a Plot Hole, It’s Foreshadowing
vs.
It’s Not a Plot Hole, It’s Just Something That They Opted Not to Spoon-feed You Because It Would Be Obvious If You Thought About It For 20 Seconds
vs.
It May Be a Plot Hole, But It Still Works In Terms of the Story’s Themes and Character Logic
vs.
Okay, It Is a Plot Hole, What Are You Going to Do, Cry about It?
vs.
All Works of Fiction Represent Constructed Realities and by Demanding a Lack of Plot Holes, You Are Improperly Importing the Rules of Objective Reality into a Subjective Creation that Must Be Judged Primarily on Its Aesthetic Merits
vs.
Dude, Just Come-up With a Headcanon Like A Normal Human Being
I remember when people claimed the fact that ruby claimed to see rose quartz use her sword to shatter pink diamond was a plothole because bismuth explicitly made it so it cant shatter gems