Many young men are reluctant to have children, so old men with money need to take up the slack. If not for Errol Musk, Jana Bezuidenhout may have died childless. Your morals, and your concept of decency are yours to enjoy.
No child wants an old ass man for a father. Kids with older fathers grow up messed up and have daddy issues. No young woman wants to deal with a dribbling old fool that craps his pants. Sure, she’ll take his money cause that’s all old men are good for.