For me, this sums up the problem:Matthew 715 "Beware of false prophets who come to you in sheep's clothing, but inwardly are ravaging wolves. 16 You'll recognize them by their fruit. Are grapes gathered from thornbushes or figs from thistles? 17 In the same way, every good tree produces good fruit, but a bad tree produces bad fruit. 18 A good tree can't produce bad fruit; neither can a bad tree produce good fruit. 19 Every tree that doesn't produce good fruit is cut down and thrown into the fire. 20 So you'll recognize them by their fruit. 21 "Not everyone who says to Me, 'Lord, Lord!' will enter the kingdom of heaven, but the one who does the will of My Father in heaven. 22 On that day many will say to Me, 'Lord, Lord, didn't we prophesy in Your name, drive out demons in Your name, and do many miracles in Your name?' 23 Then I will announce to them, 'I never knew you! Depart from Me, you lawbreakers!' 24 "Therefore, everyone who hears these words of Mine and acts on them will be like a sensible man who built his house on the rock. 25 The rain fell, the rivers rose, and the winds blew and pounded that house. Yet it didn't collapse, because its foundation was on the rock. 26 But everyone who hears these words of Mine and doesn't act on them will be like a foolish man who built his house on the sand. 27 The rain fell, the rivers rose, the winds blew and pounded that house, and it collapsed. And its collapse was great!" 28 When Jesus had finished this sermon, the crowds were astonished at His teaching. 29 For He was teaching them like one who had authority, and not like their scribes.False teachers declaring a false message creates false converts. The ultimate problem is that not all people who "claim" to be Christians ARE Christians.
