They drink coffee with milk from time to time, with breakfast too. But boba milk tea is more like a on-special-occasion-drink only. I do not particularly encourage them, because one it is pricey, hahaha. and two, it could be really, really, sweet.
And yes to the display case. It did it's job. definitely enticing. Got me to order from it and even break my fast for it. Wahhhh.