Absolutely 100% If they want to give me the option of registering for accessing additional warranty or remote-management features then fine. But there's NO technical reason I should be forced to register online somewhere just to configure or monitor a bit of equipment that's local to me.
Imagine if you had to check-in with Toyota or BMW in order to change the radio presets or A/C settings in your car. How about registering an account and touching base with Sony before being allowed to setup your new telly to watch the news? It's ridiculous. For what possible reason other than to tell them what you're doing and when and how often? I'm thinking of a word right now, it begins with double-eww and ends with ess.