It’s not pointless.
How can anyone presume that you are even marginally Christian if you repeatedly refuse to publicly acknowledge it’s most basic tenets?
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We see it differently.
If you've never come to saving faith, I do not consider you a Christian believer - but merely a participant in syncretic Christian paganism.
The most basic tenant of Christ is to believe by entrusting yourself to Him alone for salvation, apart from all your works and false merit.
If you miss this, you go to hell, regardless of whatever you believe intellectually.
There is only one basic tenet. You can find that ONE basic tenet in John 6. Don’t be like the audience who asked what work they needed to do to meet GOD’s requirement. When Jesus gave them the ONE thing they prattled for a sign. The One thing basic to what God requires did not suit their egos, so they weaseled for more. Look in John 6 for the ONE basic thing God with us told us GOD requires. Hint: it is found BEFORE the passage regarding bread and wine remembrance of His Cross gift to us/for us. Jesus gave a big hint also in John 3 speaking with Nicodemus. Can you find it, that ONE basic tenet?