Will we get a syncretistic religion?

The second sentence annihilates the first sentence. So why is there the first sentence? The writers of this two sentences make themselves untrustworthy and attackable. :-k

What does that exactly mean? “Non–denominational” does not mean the same in every country. So is it possible in the UK that even members of Non-Christian religions can join a Christian church by keeping / maintaining their Non-Christian religions?