That’s a weird thing to say. If you’re a Christian, then you are (to use Jesus’ words) “born again.” If you are not “born again,” then you are not a Christian, in which case you should not be insulted.
If you’re a Christian, then you are (to use Jesus’ words) “born again.” If you are not “born again,” then you are not a Christian
________
You know darn well that the term ‘born again’ means a lot more than what you posit above.