It's not just that the track is garbage (the "say" vocals are actually the least of its problems). Even if AI would make a good track: why use AI for creating your arrangements in the first place? Why this resistance to actually getting good at something? I can understand if your livelihood depends on it and you just need to be fast, but why for stuff you do for fun?

The book I mentioned has a good suggestion when struggling with arrangements: just copy. Take a track you really like, put it into your DAW, sync the speed and replicate its structure. You'll see that in many genres, structure is often exactly the same anyway. This can be an eye opener, and once you've realized this, you'll be able to experiment with structure in ways you couldn't do before. That's the fun part.