Yes, if the bootcamp is coached properly
Beginners can join a fitness bootcamp when sessions are coached, adaptable and built around real people. The goal is progress from your starting point, not comparison with someone else's fitness.
Look for support, not intimidation
A beginner-friendly bootcamp should explain the work, offer modifications and make safety part of the culture. Intensity is useful only when it is appropriate.
Confidence is part of the result
For many beginners, the biggest win is not just a number on the scale. It is realising they can train, eat better and follow a routine again.