Game is a pretty good coop game, with huge replay value (basically you can play even the simplest (first 1-2 'years') part 30-40 times and always having different results. 1 game (year 1 to end) could go on for months(with 1 game night/week), so even there is value. Could be played solo, but not the main point.
Minis: highly detailed HIPS, imho same/better than GW. NSFW parts can usually be left out/hidden of the mini builds making it more family friendly (altough with some of the themes it not it's aim).
Pinups... altough some (a lot) might not like them, but sex sells. Period.
That been said, they are more tasteful, than quite a few other companies releasing naked/pinup models.
Not my thing, but I haven't seen it done by others: male pinups.
Also some really good evocative sculpts this time (father and son, survivor family)
Rarity marketing: not enough out on the market, making it keep the value for resellers. I bet at least 1/4th of the backers are there only to ebay the stuff at 3-8x paid price.
Value:
- here is why I'm sad I couldn't get the 777$ deal available at the beginning: right now getting the same stuff would cost me 1900$ within the KS. Getting it at retail would go up to 2500$ or so.
So even if not liking the game and minis and ebaying stuff at half-retail price you get more than you paid for making it a safe investment.
- Altough I'm not sure I'll buy the Abyssal woods expansion, but for the price of a GW titan (knight) you get a model about as large as that (maybe even bigger/bulkier) + 21 other minis (flower witch + 5 disciplines, 8 survivors, 7 monsters) + game content that it might feel like a separate game (so again adding to the base's replay value).