I didn't think "Feels LIke Vegas" or "Bet" would have made great singles either....lol. Great songs, but not great singles. But I get what you mean.
"2 On" was really the only good single-worthy song from that album, and "AHOD" was a great follow-up only b/c it sounded similar to "2 On" vibe.
SN: "SL" acapella is so basic IMO. But like you said, we'll have to agree to disagree.
But what we can agree on for sure is that the GP is not feeling it. So there's something to the theory.
2nd SN: I wonder how much of "2 On" being a success was actually b/c DJ Mustard and Schoolboy Q were hot at the time too. That could have also played factor. T didn't have any features or "hot producer of the moment" on her singles during this era (at least not that I'm aware of).