If you ask me, there are only two things. Either they have a planner better than the ones launched at coffee shops (only a few would belong here). Or they don't have money to buy coffee to collect stickers for a planner (most would fall under here XD).
Before you place your harshest comments, let me tel you this. I only visit these coffee shops if and only if I need a place to dump (XD) or if someone treats me coffee. Well another is that I visit them during sticker collecting season to get their planner.
[Photo to be inserted here XD]
At the end of the day, I don't care what people say about these kinds of planners. I only have a few more stickers to go before I could get my 7th Starbucks Planner (out of 10 since its launch in 2004). I hope I could write something about it soon. XD