One post-doc did it once in one University research lab. And even then, how many attempts did it take, how reliable and reproducible is there process, and what

One post-doc did it once in one University research lab. And even then, how many attempts did it take, how reliable and reproducible is there process, and what was the degree of cherry-picking? Interesting? Sure! But let me know after it's been reliably reproduced a few times by other groups