Straw man argument. Don't blame God for our fallen nature.Thus the claim God made all men sinners.
God formed babies in their momma's belly so they claim God put the sin in them
Psalm 51:5 - Behold, I was brought forth in iniquity, And in sin my mother conceived me.
Romans 5:12 - Therefore, just as through one man sin entered the world, and death through sin, and thus death spread to all men, because all have sinned.
1 Corinthians 15:22 - For as in Adam all die, even so in Christ all shall be made alive.