JWs don’t go to college for that exact reason. It seriously is a way to keep people from leaving the faith. Frederick Douglass wrote about how slave owners went out of their way to keep slaves uneducated for a similar reason . He learned to read in secret and then was able to see many truths about the institution of slavery because of his education .

The submersible was suppose to automatically lose it’s ballast and surface on it’s own in an emergency situation, and that didn’t happen. A reasonable explanation for this is that it imploded.