A potential solution is a lot different from an actual, working, trusted solution. Elon Musk has plans to land people on Mars. He hasn't landed people on Mars.

A potential solution is a lot different from an actual, working, trusted solution. Elon Musk has plans to land people on Mars. He hasn't landed people on Mars. If and when it goes live, sure, you've got a point. Until then it's just speculative.