The Psalmist also wrote, “So they cried out to the Lord in their distress, and God delivered them from their desperate circumstances.” Except that is not the story in Numbers. Instead of crying out to God, the condemned, blamed, and judged Aaron and Moses. Instead of crying out to their Redeemer and Rescuer, they passed around blame and bemoaned their freedom from slavery.
The Scriptures are full of stories. Many of them include the failings and failures of families. We witness the bad choices that people make, including followers of God, that are nowhere near the intent or desire of God.
There have been many people that have claimed that God endorses many things (slavery, abuse, polygamy, etc.) that appear in the Scriptures, solely because they appear in the Scriptures. This has been the case with Christians and non-Christians alike. It also is a really bad idea.
Just because it shows up in the Scriptures certainly does not mean endorsement by God. Paul comments on this. Paul notes that the intent of the descriptions of human failures is intended to be descriptive and instructive. They are not to be prescriptive.
Paul reminds and encourages us to remember that we are not alone in any temptation or failure. We are in quite the company, in fact. The lie we tell ourselves and others that others couldn’t possibly be tempted like us, or that have succumbed as we have is put on display by Paul.
Paul, while displaying the lie, also encourages us to recall that God did not tempt us, just as God did not endorse or encourage the sins of those in the Scriptures. Ultimately, it is the weakness of our fallen condition. Which is not unique to an individual, but is part of the state of all of humanity.