You'd be sad to here this but I have seen lot of people cheat in this, by copying projects and changing small things, thus I don't think it's a good filter in p

You'd be sad to here this but I have seen lot of people cheat in this, by copying projects and changing small things, thus I don't think it's a good filter in practice. (Unless everyone in your company can spot bullshit while hiring). And this is not specific to bootcamps. Any measure popular enough will be gamed, Leetcode or GitHub.