I was listening to the songs that Harry wrote for other artists and noticed they all have diaristic lyrics that are not present in his own work. It makes me think Harry is intentionally choosing not to follow the trend of basically putting a diary entry to music.

I think he gravitates more towards the writing style in his own music that he likes listening to in others (think Fleetwood Mac, Simon & Garfunkel, the likes) moreso than trying to write something or editing it beforehand to be more marketable. Not that his own music isn’t marketable, but it’s a bit different when you’re writing/editing to sell vs. your creative control over your own project