Video editor from the gallery or video editor doesn't have an option that tells users when the title is level to be on a correct horizontal angle and not too much in left or right.
Other parts likes stickers etc, have that feature.
If you don't understand my problem, please reply further.
Example how there's no yellow indicator on a title to tell when the text is completely straight:
Example of when there's a yellow border around a sticker that shows when it's completely straight.