The point is that it allows the claims to be verified. This isn't me in denial. Before I ask for verification, I've no idea whether these claims will stand up or not. So if I was argueing tactically, it could be a huge mistake for me to ask for verification. The old lawyers line of 'never ask a question that you don't know the answer to' springs to mind.
By giving information that the utility was Bord Gais, no-one gets exposed or fired, no confidentialities are breached, and the €500 charge can be verified as correct (see [broken link removed]). Now, is the charge good/bad/indifferent - I really don't know enough about gas meters to comment. I don't know how many people you would typically need. I don't know if this charge is regulated by the CER. I can see that Bord Gais is open and direct about requiring all of the excavation works to be done for them, so DonDub's little dig about the building doing most of the work isn't relevant.
So now, wouldn't it be nice to get equivalent answers to my other queries?