Like he was interested and then ghosted before you start blaming yourself (and I know you’re trying to right now), let me just say: you are not the reason he acted.
You don’t truly know this person all of that well. He might have goals that are different it comes down to dating.
Something which proves you read their 
profile with a few level of care, something which points to typical ground. For example: “I do not actually know very well what’s happening in Twin Peaks either! Think Cooper’s likely to awaken quickly? ” To get more conversation starters that’ll get you speaing frankly about your favorite programs and movies, clean up on The 15 Many Debated Movie Endings of All Time.
While saying a quick and generic “Hey” or “How’s your Tuesday going? ” is highly not likely to intrigue her, going one other method and creating a rather long and detailed message isn’t far better.