It’s harmful as it sets up the audience to end up either disbelieving everything they see or to think that their own abilities/failures aren’t normal. Especially given the blatant lies, “it took three days and I’m really happy with the result, you can barely tell the difference”.

Narrative wise a compelling video could still have been made showing which parts are real and how CGI can have benefits, especially if the final result was a hybrid of stop motion and CGI. Go what this longer video to see the details.