It’s unnecessary to have iTunes launch every time when an iOS is plugged in for charging. The era of syncing your iOS device to your PC has passed, most of us no longer sync any content between your phone and the computer over the wires, instead, all the data on your phone are synced with the cloud. That aside, the real use of iTunesHelper is making iTunes launch faster if you connect your iPhone, iPod or iPad to the computer.
Not sure what’s the algorithm for Microsoft on deciding the rankings on the starter programs, pretty sure it has nothing to do with the rivalry between Apple vs Microsoft. According to Windows Task manager’s startup impact, it ranks iTunesHelper as High impact. If you have iTunes installed chances are there is a startup process iTunesHelper enabled on your PC.
