The only manned submersible that could reach the missing Titan is owned by Steam's Gabe Newell

https://lemmy.world/post/374774

The only manned submersible that could reach the missing Titan is owned by Steam's Gabe Newell - Lemmy.world

...huh? Even DSV Alvin is still active. I'm sure there are more.
It's true that after the overhaul about 10 years ago Alvin can dive to nearly twice the Titanic's depth, but Alvin and Atlantis are in the Pacific Ocean right now