To clarify, he does not simply want individuals to choose between the two but he really just wants for them to pick the good option. When individuals are making choices they often choose to comply and decide on the good option. They are even promised to save individuals a spot in heaven if they continuously commit good deeds. Thus, individuals are influenced to choose options they probably wouldn’t as a result of God. If choices are not being made on the “free” account of a person, without a higher force influencing them, then it goes to say that they do not have free will or they are not practicing their free own will.
A counterargument for this point would be that not all individuals believe in God, so if they don’t believe in him, they are not persuaded to make a certain choice over what they want. Thus, those who choose to believe in him, relinquish their free will to choose deeds other than good ones. Additionally, if one person or a few decide to not practice their free will, it cannot be concluded that free will, in general, does not