But we're not saved by grace through thinking, but saved by grace through faith.
If that was true, then so would fatalism. But I am not a fatalist. But nothing transpires w/o ordaining it, whether it be by primary or secondary causes. Wicked ppl do wicked things. Where lost ppl err is they think there's the lost, the saved, and also the wicked. That's not true. There's the saved and lost, the regenerate and unregenerate, sheep and goats. The wicked are those who are lost, unregenerate and goats.
But free will has to do with serving God, worshiping God, &c. It doesn't have to do with choosing betwixt waffles or pancakes for breakfast, going to a movie or bowling on a Saturday night, wearing pants or shorts out on a date &c. Free will has to do with the christian walk. That's why it does not exist. Ppl can't choose, in their fallen state, to seek God. Their slavery to sin precludes them from seeking Him.