If Hyperloop carries passengers it will be so sensitive to damage by terrorists, or even dolts, that the U.S. Gestapo will have to confiscate all constitutional rights of people living within a 100 miles area of the tubes, in order for the company to make a profit at taxpayers’ expense.
How about malfunctions and maintenance issues?
You are putting these people in a relatively pressurized module that needs its own source of air because they're in a long tube that is vacuumized.
Walls of both the tube and the modules must be rugged.
How do they escape?