Again, you've put your own tone on things. "It also keeps a sense of professionalism as it's clear that no blame is being assigned" is not the same as "you guy

Again, you've put your own tone on things. "It also keeps a sense of professionalism as it's clear that no blame is being assigned" is not the same as "you guys acted unprofessionally!". It's letting the GitLab guys know there's a potential problem with the communication style at that point in the story. I find it funny that in a comments section full of comments about allowing a frank learning experience you're being so down on someone giving tips to consider learning from.