Sadly, it shows us that we can assert allegiance to Christ, without truly believing in him as our Lord and Savior.
There are those who claim that Jesus was a good teacher, but deny that it is the only way to reach the Father. And there are others who profess to know him but only for their own interest.
Whatever reason Judas had for delivering Jesus, we cannot affirm it but we can say that sin blinded him and did not let him see that He was the way, the truth and the life, and he gave it up.
John 18: 3 “So Judas, taking a company of soldiers, and officers of the chief priests and of the Pharisees, went there with lanterns and torches, and with weapons.

This story leads us to reflect on the malignancy of our own flesh and that if we attend a church we do not attend Jesus intellect, but with our heart.