NASA has the best, too. They still lost two crews and vessels entirely in catastrophic disasters, and were lucky not to lose Apollo 13, too.
Space travel is one of the riskiest thing a person can do. There are going to be disasters.
Tried and tested submarines have been lost that way, too.
No one's saying that Oceangate is equivalent to any other space or marine exploration company or organisation.
What we're saying is that it is sure that at some point, if private space travel continues and expands, they're going to have a disaster. It's inevitable.
MOO