Except the data breach you are alluding to was the fault of people using weak passwords, rather than a fault in the security of iCloud.
And you know this because
Here is what scares me. We do not seem to be doing much to keep the brain healthy into very old age.
Because we have no bloody idea what to do about it. In comparison heart is simple - it has to pump blood and that's it. I would rather not put all medicine on hold until we figure out brain.