I was just thinking how much I hated the grind before I seen this post. I agree about the grind completely. Loved this game, going to try and hang on a bit longer. Hoping they fix the grind in the next update.
They should really look at the advertising money. Let us watch the crap out of advertisements and take those numbers to big companies and get some big contracts. Then make our crap cheaper and us more enthusiastic.
I agree that it's easier to get regular survivors pink stars. I've got 5 of them with 2 pink stars, but getting that 3rd is quite the task. It will take years or hundreds of dollars to get 5 pink stars on one of them.