I like the answer Peter Norvig, director of research at Google gave to this area of inquiry two decades ago. Some of the concepts show some age, but over all I think his advice is spot on:

https://norvig.com/21-days.html

I would certainly suggest someone spend some time learning some programming on their own BEFORE committing to something like a boot camp. They'd either figure out they didn't need it, or could better discern between different boot camp programs what will REALLY work for them and if it's REALLY worth the time and money.