I just finished my third Norwegian cruise, and they've all been a little different. I don't understand the "nickle-and-diming" comment because everything is spelled out when booking. I choose not to get the "free" beverage package because my wife and I aren't really big drinkers. On my latest 7-day cruise, my bar tab was only $100.
I have sailed with Royal, Carnival and Celebrity. I like them all for different reasons.
If you don't want to sail on a particular cruise line again, that's your right. Just be sure you read the booking details to avoid unwelcome surprises.