That's not the first time that Christianity has been called a cult and a lie.
Back a few hundred years ago after calling us that they killed us.
Yes, for various actions such as spreading the Word of God to all the people.
One guy was burned alive tied to a stake.
There's some more history for ya.
Noise. Calling someone Christian means little, especially when they reject Our Lord’s clear Word and His Church.
What do you care sweetie? You are certain you have all the answers, why do you care what the True Church teaches?