I recognize that there are probably many players who don't use mods/custom content, but if you are like me you have tons of CC. There are some very talented people out there who create lots of wonderful, beautiful objects and sets, much of it free. I agree with Chazzy's comment above, if I am going to pay EA for kits/packs/etc. it needs to add gameplay or be something not available in CC. New objects are fine IF they bring new skills, hobbies and/or careers (functional pool tables, true diving boards and functional sewing machines are just a few at the top of my wish list.)
I have often wondered why Sims 2 & 3 were so much richer in gameplay than Sims 4. Is it a difference in the underlying game engine and coding or were the Sims 2 & 3 developers/creators just more skilled? I have many play hours on all three and there are pluses & minuses for each one. IMHO, the perfect Sims game would be a mesh of all of them :-)
