How do you define a "lie"?
It is full of misinformation and omission of fact which then creates a false narrative. There are a few options then:
a) Assange is omitting important facts intentionally (which I don't think is the case). In this case you can call this misinformation a "lie".
b) Assange truly believes in the narrative and honestly thinks the important facts are not that important. In this case, well, he is a bit of a lunatic...
Some examples of omission/misinformation:
1. DARPA funding. He omitted that perhaps 30-50% of all PhD students in one or another way get DARPA funding.
2. "$2M contract with NSA in 2003". He omitted that Google was selling it's "Search Appliance" left and right in 2003 and NSA was just a small fish.
3. "Caught redhanded with handing petabytes of data... via PRISM". He forgot to mention that Google was bound by law to comply with NSL and warrants and was one of the first ones among all the companies to push for more transparency.
4. "Google Maps are shopped to Pentagon". He forgot to mention that Google sells access to maps to everyone and Pentagon is just a small fish.
5. When talking about lobbying, he stops explaining why Google lobbies. It doesn't lobby for more contracts, like Lockheed, it lobbies for less regulation in search ;-)
I could go on.
Overall, I would say, the Lockheed-Google analogy is deeply flawed. Just follow the money. Google does not care for government contracts - virtually all of it's revenue is from ads. The key asset for Google is user trust, which as you can see, is very hard to retain. If user trust is lost, Google is toast. Why would it then have any incentive to bed with the government?
Disclosure: I work for Google. I sit next to security folks (not physical security, mind you). Everyone I know here is super super pissed about Keyscore, wiretaps, NSL, etc.