This is exactly the sort of thing that happens when cultural Christians try to foist their values on the rest of society: [abc.net.au] . This sort of attitude was rampant across the whole of Australia in that era, and it is only now being quelled.
Goodness only knows when the eradication of evangelical Christianity is going to happen in the U$A.
My first wife had gone through basically the same thing here in the USA. Her child born out of wedlock was immediately taken away and she was given no information on who adopted it or where it was. Her parents couldn’t deal with the embarrassment of their daughter having a child out of wedlock.