Yea, that's what I'm saying, there's no financially viable solutions, and someday if we can make one, or if we stop caring about the cost for some reason, then

Yea, that's what I'm saying, there's no financially viable solutions, and someday if we can make one, or if we stop caring about the cost for some reason, then it'll happen. Right now, the problem is that the "safe" designs aren't tested well and they're generally not commercially viable due to cost.