For the love of Gawd, please stop focusing on what Lance Armstrong does not does not do. He is no longer relevant to cycling and you need to treat him as such......
http://velonews.competitor.com/2015/03/news/cookson-armstrongs-charity-tour-de-france-ride-disrespectful_363662
The correct answer would have been "LA is free to ride whatever charity events he wishes. It has nothing to do with the ASO or the TdF." Then just STFU and not comment any further.
This piece of PR advice provided free of charge.