The fatness and fading into the distance are closely based on the TFA crawl. https://i.imgur.com/3KBqQuu.png
Perhaps it would look a bit different if I based it directly on the OT (which I assume TFA did in the first place). I haven’t studied the OT crawls much so I can’t say for sure.
I guess it’s not a thickness issue so much as it is a luminance issue.
http://www.framecompare.com/image-compare/screenshotcomparison/01CNNN8U
In the original, you can see a large variance in luminance levels across the letters, making them pop a bit (notice how much contrast there is at the S in ‘Awakens’):
In your version, it’s like the brightness of the title is clipped.
That’s probably because it’s fading out at that point, but I wonder if there’s another blending mode that will allow it to fade out while retaining more of the contrast.