Rubbish. It's about as much of a risk as letting a user do anything. Google even have a service that scans installed apks for known bad ones if you want to shar

Rubbish. It's about as much of a risk as letting a user do anything. Google even have a service that scans installed apks for known bad ones if you want to share everything you do with them. Apple could do something similar if they decided user choice wasn't evil and bad after all.