All religions can be examined in light of scripture, can they not? The ‘acid’ test is almost always the gospel of Jesus Christ; how are men saved, by faith alone or by faith plus works. ‘Faith plus works’ (all religions except Christianity, and some ‘called’ Christian) is a sure sign of a false religion or apostate Christianity.
Yes, there are subtle forms of false teaching and clever ‘wolves in sheep’s clothing out there’ when all the right words are used and things seem on the up and up, and error is more difficult to spot. However when the clear light of scripture reveals an unbiblical gospel message concerning hoe God saves men, the matter should be closed, leaving the question, “What are we to do about it?”
When a loved one, friend, acquaintance (someone in our area of influence) is following what is false, with eternal consequences looming, we are to lovingly, compassionately, communicate what is true and what is false, with Bible in hand (opinions don’t count), and with much prayer. There are times when the most loving and compassionate thing we can do is issue a strong warning/apostasy alert.
At times, when the one with whom we are dealing resists scriptural truth to the “leave me alone” point, we need to stop talking but continue to pray fervently; for our friend/loved one, and our ‘delivery’.
Then there are the times when we need to shake the dust from our feet and move on, a decision point also needing prayer cover. It is not always easy and often is painful to make that decision.
Remember, scripture – the Bible – is the standard, the measuring rod, the lamp of truth under which everything must be examined. That means everything!