That’s like in the old days when you needed to get married and grabbed a random nearby person to be the witness.
I doubt that’s happened more than twice in the history of marriage
It's happened more than once to me!
My parents got married in 1975 in this way.
I was the random person asked once before, didn't work though as my state requires a 72hour wait from filling out marriage application before you can be legally married. (Couple was eloping from another state and wanted to get married same day, were told it would have to be a different state)