If they told you sooner that you weren't elligible, your return would be lower, and maybe you'd feel you could "get more back" by using a different tax preparat

If they told you sooner that you weren't elligible, your return would be lower, and maybe you'd feel you could "get more back" by using a different tax preparation program, but at the juncture where you're told it isn't possible, you already feel more invested in using Turbotax and ultimately filing with it.