People leaving the company have complained that LaunchCode has engaged in "Reporting inflated outcome data to clients, investors, employers, and the media", and that "Fundraising staff will be required to break the AFP Code of Ethical Standards", among other ethical violations:
https://www.glassdoor.com/Reviews/LaunchCode-Reviews-E968183.htm
From looking around their Glassdoor and various comment threads, it also seems like they might be posting fake self-reviews.