If they have a bad situation which is understandable, and are unable to ever finish the game, due to personal situation, they haveto refund eveything, simple as that. But don't forget that they can put a big "hiatus" then after 5 years, run off with the money, delete this page, like nothing happened, expecting that people will forget.
And them not updating their main page here, leads me to believe that this is very likely. It's not that hard to post updates here, simply copy past with the words "We are still here, we are not leaving the project" is enough. Otherwise, it gives the impression that they don't give a shit. So Ofc people should call them out and not forget.
I am saying it as a person who supported them on Kickstarter. So, I believe that simply defending them after 3 years, is not fair at all.