"I mean it having so many cables and being hit by thunderstorm"
Sorry...this tree, as mentioned, had issues with wind in its last 150 years. It had lost more than a few huge limbs to hurricanes and thunderstorms.
Lightning is part of very old oaks' lives. Dominant oaks and taller landscape trees are prone to multiple lightning strikes over their lifespan. Apparently, the water in their sap is a natural electrical conductor that can channel lightning charges into the ground.
It's common here in Va. and Md. to see all manner of branch and trunk bracing, as well as lightning rods, on older large trees in historic places. Mt. Vernon's two huge tulip poplars planted by George Washington are protected that way.