It's not about blame.
Webmaster: "So what you're really saying is you've broken it?" Me: "Listen, it's not about Ooo did what..." Webmaster: "So I was right, you did break it?" Me: "I think we should focus on the solution to the problem..." Webmaster: "You broke it and you want me to fix it." Me: "If by fix it you mean restore the image you have, then yes." Webmaster: "You broke it." Me: "I'm telling my mum!"