I think that this is a good idea and as a person who has had to take 5-6 month long breaks in almost every expansion due to school and other real life related things, I totally support it.
For example back in cata, I started to play right before Firelands, after a long break and zandalari dungeons and molten front quest rewards really helped me to get back into raiding. I like doing dungeons, so I had every possible upgrade in like 2-3 days I think. On the other hand, MoP is mainly focused on grinding dailies, which I dont really like, because it forces you to play solo most of the time. I would much rather run dungeons and get reputation (even if its greatly reduced) and maybe bosses could have a small chance to also drop Lesser Charms of Good Fortune.
Overall I think that MoP is quite good expansion, although I don't quite understand why Blizzard is pushing us towards solo content so much.