AndrewCrossett
Satsu Otaku
It's obvious that on-demand services are just gonna get more popular but I don't believe for a second that all live TV will be on-demand and not aired on a weekly schedule as well. At least not for SEVERAL decades, but I really just don't see that EVER happening. And if it did, watercooler talk would cease to exist, too, and who would want that? I think people enjoy watching TV live overall and then discussing it with their friends the next day.
I don't see one single reason why it wouldn't.
As for "water cooler talk"... episodes would, of course, have a date on which they'd first go live, and most serious fans would make an effort to watch them on that date or as soon as possible. In that respect, it wouldn't be that much different from today, with some people watching the show when it airs and some watching it later on DVR.
Honestly, I don't see one single downside to universal on-demand, and I don't see a single upside to continuing the way it is now. It would certainly be a much better situation for scripted TV shows that don't get 25-shares in the ratings (such as... everything Joss Whedon has ever done or ever will do.)
Without this change, shows of the type Joss does will not continue to be produced. There will be nothing at all left for those of us who like intelligent scripted TV, because the reality shows and game shows are miles cheaper and get huge ratings. They will therefore be all that's left in the end.