We're sure that the debate of a carefully controlled and curated environment like Apple's App Store versus a free-for-all like the Android Market will rage on for years to come, but here's something to chew on: Google just removed some 21 apps from the Market in the last day from a publisher going by Myournet for doing all sorts of naughty things to your device. Offenses include attempting to root your phone, uploading phone information (including IMEI) to who-knows-where, and -- most egregiously -- adding a backdoor that allows additional code to be pulled down and executed.
At least some of the apps are pirated versions of existing apps