He had multiple years and plenty of time when he was sound of mind.
Most people listen to medical experts instead of hippie crystal therapy like Steve chose, and when that didn’t work, he used his wealth and privilege to establish residency in a state where he could jump in line for a liver transplant, got it, was too far gone and died anyway. Wasted a perfectly good liver on that sociopath.
Fortunately for us, nobody will ever care enough to scrutinize and pick apart the stupid/selfish things we did in our lives.
Don’t fall for the great man fallacy, nor its opposite, the villain fallacy. It’s just oversimplified media narratives.