Judging by the threads that've cropped up, looks like plenty of people have jumped on it - if they ever really bother to buy crowns at all, anyway. Seems you're one of very few missing out.
Admittedly, I haven't seen much talk about getting the expansion while it's cheap, but... Everyone who cared probably already has it by now? That, and they haven't fixed enough of the deal-breaking issues that kept some folks from being excited about it.
"I haven't really played much yet, but lemme tell you all about how the game should include X and be a lot more like Y!" - Half the posters on this forum.
"I've been here for years, and lemme tell you all about how they should never change or evolve Z, because then the game would be ruined forever." - The other half of posters on this forum.