This is sad, I've been following their work for some time and I think they were onto something, many good design ideas, very clean albeit a bit verbose sometime

This is sad, I've been following their work for some time and I think they were onto something, many good design ideas, very clean albeit a bit verbose sometimes. I'd like to know what is the underlying issue? Disagreement between founders? Acquisition? Legal problem? Not enough funding? Not enough customers?