I completely agree that open sourcing the project does not guarantee that the project will continue to function. I also think that after a company goes out of

I completely agree that open sourcing the project does not guarantee that the project will continue to function. I also think that after a company goes out of business they have no responsibility to keep their project functioning. Once they open source it, anyone is free to put in the work to keep it going and I can't think of a better guarantee a company could reasonably give.