The problem with I see with how they described it is a big one... "I don't care what channel it's on, I just want to watch xyz". However, over the years, whether I had DirecTV, UVerse, or cable, is that the same show is duplicated on a variety of channels, some of which are in the "Guide" but that a user might not get. For instance, with DirecTV, if you wanted to watch Big Bang Theory as an example, the show would be populated on half a dozen channels in the Guide and different times.
For instance, it would show up on West Coast local channel (which I would get) standard definition, it would also show up on Central Local channel (which I don't get due to regional restrictions), and same for East Coast Local channel... Then all 3 of those same channels are duplicated as HD channels in the Guide as well. All 6 of these would be the current latest episode, and all 6 were at different local times due to time zone differences, however only 2 of those are a channel I get, and I prefer recording in HD when avail, so only 1 is the 'correct' channel/time. If the DVR recorded the wrong one, I would be greeted with a blank recording. That's why I think most DVR systems make you select the show and channel you want to watch, and it will stick with that.
Another issue, is when you add in the complexity of syndication for shows that have current episodes on major networks, and older syndicated episodes on various other extended channels (sometimes playing more than one episode per day for those syndicated episodes), and what you would end up is the DVR trying to 'guess' which is the correct version of the show you want to record out of a possible 6-12 different possibilities on various channels, time-slots, resolutions, and new episode/re-run episodes.
The cable companies don't make it easy, and neither do the channel networks. Depending on the DVR/Set-Top-Box you use, sometimes the guide is customizable to eliminate channels, but this takes hours to go through and setup on each receiver. Some, like ATT UVerse, won't let your customized list be used as the default, so it takes like 3-6 button presses to get to your customized guide list instead of the "All channels we serve from all packages" monolithic channel guide, which is horrible. Why cable companies still serve you SD channels when you subscribe to HD package is something I've never been able to figure out, other than it makes it LOOK like you are getting twice as many channels as you really do. All of this is frustrating from a human perspective, DVR's can only make it so easy before they start guessing at what you want.
Maybe the example given is easy to do, when you are talking about live sports games (all though, those get blacked out locally many times as well) that don't get reruns, are usually broadcast on single channels who have the contracts... But I don't think a DVR can know what you're intentions are by just saying, "I want you to record Big Bang Theory" are, just as another person wouldn't understand your intentions either without a bit more specific information, like SD/HD, what is your current channel package, new episode or rerun, it's playing in an hour, but you have another recording already scheduled, which show is more important to you? etc...