> Free soda with large fry doesn't actually exist

I just searched and found free medium fries with a large soda at McD if you order through the app. Seems like bundling to me, and you have to use their particular app.

Sure, and perhaps it should be prohibited. But it's also a matter of impact.

But it's just hard to care too much about a commoditized product and an app with tons of competition. And McDonald's is not keeping any competitors away by locking their fries offer behind their app.