We've been on 5 MSC cruise by now...we love MSC, BUT....it is an Italian cruise company, and that means different service! Not the perfect service Americans are use to. The ships are spotless. We've been on the new Seaview (2018) and the old Fantasia (2019), there are ten years between these two ships, but they are both still looking new!
The easy Drink Package is very easy...and cheap...although the prices had gone op since last november. Easy is still allright, but Premium is better...almost all cocktails and specialty drinks are on it...and Premium you can use in specialty restaurants, Easy drink package not.
But for the american cruisers, I urge you not to expect any service! This is normal in Europe, but not for you I guess. Also be aware that on Europe sailings there will be a lot of Italians, French and Spanish people. They have another perspective on being polite. They will cut the queue anywhere they can. So the buffet is always a ratrace....or a jungle.
We are used to it by now, but our last cruise was in the Baltic without southern Europeans and it was a breeze!
The Seaview (and Seaside) look beuatiful, and especially in the Caribbean they will be suited for the weather. There is a lot of deck....and deckchairs....and pools.
I do not know anything on YC. Too much money....