Comments about ‘The enduring Titanic: Life lessons gained from the tragedy’

And yet you still don't see headlights on large ships.

No. But you do see greatly improved radar systems, sonar systems and communication sytems that reduce the risks of these types of accidents from recurring on a regular basis.

The problem seems to be that technology can't compensate for "stupid" as evidenced by the cruise ship running aground and sinking while the captain was trying to impress someone on shore or do a favor for a crewmember.