I quoted the “if” statement from God - which means that IF he did so — THEN — according to what God said, he is saved.
It’s an “if/then” statement, in which if you fulfill the first part, then the second part is true.
I’ll leave it up to others to discuss whether he fulfilled that “if/then” statement of God.
And God will KNOW (absolutely and authoritatively) whether he did fulfill that — which is something we don’t know with absolute authority, as we can’t see into the heart as God can.
What has happened is that denominations have stepped up (Roman Catholic only one) and presumed that if They Did Not Call On The Lord Their Way, then They Cannot Be Saved. Human pride all of it — and very despicable.
They’ve taken getting on the stairway to heaven and made it into a PhD rocket science problem.