I suppose they should just give you something for free even though it was outside of the warranty period, right? No, you agreed to the terms of service which states that the Lifetime sub is for ONLY that unit. Like others said, things break. My oldest Tivo that is still running was activated in 2004. The most common failures are hard drives and power supplies, both of which can be fixed for much less than what a replacement would cost. If you'd like to go that route, give us some more details and we can help you. If you just want to throw a fit, then well, that's up to you.
Keeping a job isn't about knowing how to do it, it's about knowing how to make everyone else believe you know how to do it.. --Choccy