This is how it will play out in the end:
Let's say you have a current cable package for $40/mo and you get 80 channels
The new system will only bundle the less popular channels in the cable package and the popular channels will be separate. Want FX? Extra. Want Comedy Central? Extra. Want Cartoon Network? Extra.
So now your cable package is still $40/mo, but you only get 50 channels, and not any good ones. Each of the other 30 channels are now an extra $1-5/mo each.
So you might not have to subsidize sports channels, outdoor channels, christian channels, and so forth if you don't care about them, but the de-bundling will end up costing you more.
At first they may lull you in with a discount on the basic bundles to make the a la carte seem like a better deal, but give them a year or two and you will be paying out the nose, and if you complain about it then people will defend the cable companies by saying that cable prices would have gone up anyways, maybe even more-so, if they still did the old bundle method. There would be no way to absolutely prove price gouging due to a la carte.