There are good and bad ways to extract yourself from maintainership obligations. This is the bad way.
Also read the link. This is apache 2 licensed. Even in whatever imaginary world where there is such a social contract, there is thankfully a legal contract that includes disclaimer of warranty.
Also the whole project is open source. If you want, you could take it over.
Yes, that's exactly what it means!
"It's still open source because you can fork it if you really want" is a specious and unhelpful attitude, and it tells me that you, like the owners of this thing, are not to be trusted to manage such a thing.