But factor this in: the tares are the CHILDREN and were planted by the Evil one. The word 'WORLD' in the text is the Greek word Kosmos - it means UNIVERSE or WORLD - not church or kingdom.
Some how the tares are actually children of the Devil (Jn 8:43-44).
While God's seed begins enslaved to Satan they are not Son's of Satan. They are as the Prodical Son who worked for no pay for the pig farmer. And as the Father of that son ran out to him when he returned - calling forth for a new robe (robe of righteousness) shoes (shod with the Gospel) and a ring (sealed with the Holy Spirit) (note the words of this Father: "for this my son was DEAD and is ALIVE AGAIN - i.e. born again). Satan's seed at times work for God - but they are paid: such as Judas who was called "the son of Evil" or as other hirelings (Jn 10:12). Satan actually loves his children - 2nd Corith. 4:4.
If this all smacks of dualism - lay this blame with Jesus himself and Matt. 13.