Is there a reason for all these false teachers in the world? The Bible says we have them to test our loyalty to Him!
https://www.ourwalkinchrist.com/books/testing-and-temptations
2 Corinthians 11:2-4
Galatians 1:6-9
Hosea 6:6
Deuteronomy 13:1-3
Deuteronomy 13:4-5