Author here. You would be surprised how much of the input lyrics were just semirandom juxtaposition of phrases. The best hip hop is not this, sure, but some of it certainly is.
Sure, and most human made music is crap. That's not a diss or putting down your work, which is laudable, but the distinction GP presented I believe stands.
It's very hard to produce _great_ content this way, simply because there are a lot more variables and dimensions to writing good music and lyrics.
