I just think they need to accept responsibility for all those dead people.

Personally I don't see anything wrong with the idea of the redesign. It's the execution that was the problem.

If he came out and said, look we screwed up. There should have been a backup sensor/proper training/proper manuals/software that took a bloody hint and maybe there should be more gov oversight in general because this kind of cock up should not be possible. At least then you'd believe they're actually tackling the problem.

Reading all that back, it is actually quite a lot to ask for isn't it.