Sure now it looks like it was a good option. But it's kind of survivorship bias. Were they smarter than anyone else working elsewhere, or just lucky to have had

Sure now it looks like it was a good option. But it's kind of survivorship bias. Were they smarter than anyone else working elsewhere, or just lucky to have had all their eggs in that particular basket for 15 years? And if you say smart, what's the current smart choice? (I will be checking back in 15 years to follow up).