Ironically, Litecoin would be much easier to control since it takes less hashing power overall. The government can run 10,000 regular CPUs, if they can run a bunch of ASICs. One guy 51 percent-ed Feathercoin and stole 40K FTC. These smaller currencies are much more vulnerable to attack than Bitcoin. The other issue is, if you make a million alternate cryptocurrencies, you dilute the value of all of them. These coins are only valuable if they are limited. Bitcoin slapped together existing ideas, like public key crypto for addressing and hashing for proof of work, but it did so in a way that nobody had done before. Litecoin is just a tweak in comparison. Zerocoin is a truly innovative idea that adds zero knowledge proof-based anonymity to Bitcoin.