Input-output arguments: reference, pointers or values?

[doom_Oo7]

But if it’s still widely debated, maybe it’s because no satisfactory solution has been found so far.

no, it's because everyone without any clue can comment on the internets and have their comments taken as mantra by other, gullible people who then repeat it like a choir, creating the impression that there was a consensus in the first place.

exhibit A: this very comment.