We are not evil and do not need to be repaired. You need to chill out and stop damaging your left-handed students.
And for any successfully suborned left-handed string players, you need to stop measuring your human worth by your ability to successfully repress your disgusting deviance from Normal Folks. Have you nothing more worthy to be proud of than the fact that a mere culturally defined deformity of yours was properly stamped out? How pathetic.
Just a little reminder that forcing oneself to conform to mindless, completely arbitrary societal prejudices does not warrant celebration: