SF plastic straw ban has bubble tea shops worried

Carrying your own metal straw doesn’t help with two demographics shops like these are highly dependent on:

1) Work break time, walking around, feel like a treat — oh, look, there’s a bubble tea shop, think I’ll do that instead of a cupcake.

2) Walking around with a friend; “how about some bubble tea?” “What’s bubble tea?” “You’ve never had it! We’re getting some right now!”