A lot of guests feel that they have to have G+, and buy it almost as a default. It just fuels into Disney's justification for more price increases. Early on, they cited on quarterly earnings calls that an average of 60% of guests on a given day had bought it. My guess is that some of the minority who don't buy it include the frugal like me (if that's really true if you're spending just as much to come to WDW as a European trip), and many locals who have APs, who can come whenever they want to and otherwise are seasoned enough to have a good ride strategy to help.
For me, Genie sort of pressures me to get as much out of it as possible. So I started out with about half my park days with it, days with MK and some HS. EP with Rat and Frozen is becoming more of an option when 1 of 2 parks on a day. The days without G+, I'd purposely placed some of my table service reservations, more shows like Country Bear, Tiki, Hall of Pres., Carousel, Philharmagic, rides like Small World, Mermaid, Peoplemover, and etc. Stuff I didn't intend to skip, but I could take it a little slower. And as I said, I typically have a full week plus park hopper, which helps. And really, if I'm by myself, which I was at HS and MK earlier this month... it only takes me half a day with RD and I'm done with everything I want to do, even at HS and MK. But when there's more people with me or if it's a holiday or busier seasonal time, it can be different.
Do miss the older FP systems (paper ticket one as well) like you said, but those days are long gone. And now they can increase
ticket prices AND increase Genie/ILL prices rather than just increasing ticket prices. And they still can do things to pump out more parties and outside regular hours special events like first eliminating late Extra Magic Hours (except the Deluxe extended evenings on Mon. & Wed), changing the 1 hr. Extra Magic Hour to the 30 minutes for onsite guests that was already 30 minutes or more. They can slim down expanded park hours to save on costs. For instance, this is the first Sept., where AK didn't open at 8am.... it's now 8am only on wknds and 9am during the week, and MK was open until 11pm last Sept., and now 10pm on non party days. But at least it'll be tough for them to reduce hours much from the typical 9-9 at EP and HS given the 8:30 Fantasmic (taking about 30 min) and 9pm EP finishing show.