Did these athletes interfere with the race? (The Commissaires held up the start of the race) Did they affect the result? In the case of Lance Armstrong he was trying to publicise a charity he, and many others, feel is important in the saving of lives and improving quality of life for many very ill people. This after all was the last chance he will get to publicity at this level and at this event.
1) Radioshack, by all accounts, signed in on the day in their Red and Grey kit.
2) They then changed kits.
3) There were red & grey kits in the team cars, presumably because they expected to be told to change.
IMO, The whole thing could have been avoided quite easily by talking to the race organisers ahead of time.
RS could also have had the courage of their convictions and signed in in the kit they intended to wear during the race, rather than changing after that but before the start.
The team have already been publicising the Livestrong message by riding with their band on jersey sleeve and shorts, by the individual messages on their bikes, &c, and via the
Nike/Livestrong Chalkbot.
The black jersey looks like an orchestrated attempt to provoke confrontation with race officials, who would be understandably wary of being seen to extend preferential treatment to Radioshack given the rumblings about payments to the UCI (allegedly for favours) in the news recently.
There's more discussion of it in the "Racing" section, where it's probably better situated, I think.