Cafes and restaurants don't have it.
Airlines don't have it.
Most cafeterias or canteens don't have it.
Hospitals - lol.
Vending machines - never seen it.
I can understand places that are run purely for profit thinking there might not be enough demand for it, but public service places should look into it. It's an easily digestible, healthy alternative to soft drinks or cordials, and has high electrolyte content. You would think for such a tropical country with such harsh summers, it'd be more popular, but I'm guessing most people just don't like it. The only place to get it is from stores, and I always see the shelves completely full of them with hardly any missing.