And the simpleminded seem to have no issue with this at all.

No it was a prearranged signal for one of the disciples to give him a catalepsy inducing drug (the sour wine soaked sponge on a stick, which was allowed by the Romans because suck sticks had only one purpose in ancient roman, they were used to wash shit off your arse, no toilet paper back then. It's a biblical toilet joke).

Judging by how the psalm continues, it might be a reminder to people that we all have times when we feel abandoned but more reflection will give us a better perspective on life. I must admit, though, that it seems highly unlikely anyone, even a Jesus, might say something like this in the throes of an agonising death.

In fact condemns those that do