For that particular issue you can improve your "gambling" odds by having kids at a younger age, rather than waiting until you've optimized your career and environment.
Perhaps, but that often means selecting a partner more quickly, which is another gamble with potentially terrible consequences.
Easy to prescribe, hard to implement for the last two generations or so
I wonder how much of that is because people who are autistic (for example) find love later, and then pass down their autism.