Yeah, you weren't going to win this. Most developers I've met would have approached this from one of the two extremes: "Lol, this is the obvious implementation

Yeah, you weren't going to win this. Most developers I've met would have approached this from one of the two extremes: "Lol, this is the obvious implementation." or "Lol, just use a boolean." That is to say, those that might be interested would already know. I'd expect very little in between. Fwiw, I do think noticing the id readability is notable from a reverse engineering standpoint.