the Logitech F710 is a solid controller to get if you’re on a tight budget, but perhaps not exactly the type of equipment you want to stake your life on. […] Reviewers on sites like Amazon frequently mention issues with the wireless device’s connection.
The reporter, who followed an expedition of the Titan from the launch ship, wrote that “it seems like this submersible has elements of MacGyver jerry-riggedness.”
Also of interest via this blog is this statement from OceanGate about why their subs aren’t classed.
If I wanted to can and sell hubris, I know where to source it from now.
“Move fast and break things” maybe doesn’t apply too well to submarine design.