If you're skilled/smart/whatever you're gonna be fine, usually, so let's discount those and set them aside.
There's definitely a cohort of "moderately capable at plugging away" type developer that can successfully come out of a bootcamp, and it's usually something like this path:
bootcamp - headhunter agency that needs bodies - develop familiarity/skill with the toolset - hired directly via some other company.
Less "startup valley next great thing" and more "updating the Java application for a change in the tax code this year" style corporate programming (which is the vast majority of all programming).