If he really wants to scare the crap out of them he should also issue a subject access request for all data mentioning him, including emails and files. This type of thing sends a government funded agency into a complete tailspin.
We put them on hold for four years, then tell them it'll cost $1 million to get everything together.
http://www.9news.com/news/local/article.aspx?storyid=157782&...
... automatically turn every API request into a FOI-based official inquiry e-mail :)
FOI requests are pretty simple the poster just needs to send them an email saying "I would like to an information request under the Freedom of Information Act, please send me any emails or documentation related to the shutting down of xyz service". They need to sign off with their real name, but that's about it in terms of what you have to put in a request.
The FOI contact information for tfl: