For one thing, they grow successfully only in groves. One of the ranchers near my house in Covelo planted a redwood tree, and it grew very quickly to be hundreds of feet tall. But then a storm came along and blew it right over. This is because the coastal redwood does not send down a taproot. Its roots are only a few feet deep, even though the tree itself might be 360 feet tall.
Coastal redwoods survive by growing in groves.
The trees spread out their roots and interweave them with the roots of other trees. Then, when the wind comes, they hold each other up because their roots are knit and interlocked together. By themselves, they don't stand very long. You and I are something like those trees. You might think you're a maverick oak tree and that you don't need anybody else, but you're fooling yourself.