You should read the whole article before claiming things.
> After the 2019 closure of the Puttgarden-Rødby service between Germany and Denmark and the seasonal Sassnitz-Trelleborg route linking Germany and Sweden in 2020, the Intercity is now the last one running. All the rest were replaced by bridges or tunnels, or proved too expensive to maintain as demand fell in favour of air travel.
Yes, sorry. I sometimes pass the connection Rødby - Puttgarden by car, and I have seen trains there recently. But they obviously don't use the ferry anymore.