Why are my fonts in italics on YouTube?

The 3 YouTube Comment Effects You italicize words to emphasize an important word. You use strikethrough to revise something with the intention of leaving the initial wording there. People also use this when they want to make a sarcastic joke.

How do you italicize YouTube videos?

How to Write Bold, Italic, & Strikethrough on YouTube Comments – Time: 0:352:54 –