I completely agree that the value of a bootcamp is having a community to encourage you through the process, everything they teach you can be found online. I also went to a bootcamp that had a good reputation around my city so I think it was legitimizing for someone with no experience and no stories of coding for fun as a teenager.
Even back then hackernews was full of people saying how flooded the market was with bootcampers.
4 years later I grinded leetcode and got a job at a FANG and essentially 6x'd my income from 4 years earlier before I could code. I eventually left that job because I was miserable but thats a whole other story.
Now with 7 years of experience I leave the bootcamp off my resume because of the stigma. I took the specific degree program off my linkedIn and just put "bachelors of science" and let people assume what they want. If anyone asks I just say I'm self taught.
Point is, it's 100% possible.