I recently came into the possession of a large crate of mangoes, dear reader. Whenever that happens, there's only one direction to proceed and it involves milk, yogurt, and a half-hearted blender.
More often than not, this ends up being a half-hearted banana.
Don't call anything a smoothie when it could be a lassi.
To my way of thinking, it's the mango-yogurt pairing which qualifies it to lassi status no matter what else I may or may not add to the brew.
No, I don't speak for the Indian culture at large nor a cuisine which predates me by millenia...but it's not going to be as fun if I have to sit there thinking I'm sipping a smoothie when I could sit there thinking I'm sipping a lassi.
One last clarification since I know you're all too polite to enquire:
Is it common for the Tollipop clan to sit down to dinner at a table strewn with fishbowls?
I wouldn't say that.
Not exactly common.