The moment you cheat, you have given up and you have lost the lessons. And it will show on the board. You can't run away. There is no place to hide, your thinking shows on the board for all to see.
But actually more happens. If you are a parent, a chess coach or a chess official, this is what you have done. You have condemned the player to a life of insecurity and low self esteem. The player himself and those around him who play chess will know. The player will have no respect from the other players. And the player will not know what it is like to really work for something, to struggle to create something good. Over time he will lose his confidence. I have seen this happen many times.
So if you are one of those who practice cheating or encourage cheating, I really hope you will reflect on this. Try struggling with the players, stay in the uncertainty till you find the way together. For then you will have given birth to dignity, integrity and a truly confident person; a world beater and a person worthy of respect and maybe even a GM. So please play by the rules and you will reap the rewards.