Armstrong isn't going to jail over this. The US justice system took a long look and didn't find enough evidence of broken US laws to bring charges. Cheating in sports, especially in sports taking place in another nation, is not a violation of US law. As a US citizen that's all that really matters for LA. Having said that, the fact that the evidence gathered by the US became available to the USADA and is what has blown up the entire Armstrong house of cards means that LA did not fully escape the Feds by any means.
Armstrong's doping may have been sophisticated and cutting edge but you cannot blame doping in general or what is happening in Australia in particular on LA. Those individuals made their choices independent of Armstrong.
LA did what he did but to blame him, even indirectly, for all of the problems in cycling is a gross exaggeration and provides cover to many others who made their own choices and need to live with them.
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“Life is not one damned thing after another. Life is one damned thing over and over.”
Edna St. Vincent Millay