Yeah ... I'm sure it would be, Mick.But the reality IS ...
... WHEREVER you go - be it a pub, restaurant or anywhere else, for that matter - you'll ALWAYS find people who enjoy a cigarette after a nice meal (me for one!) - and this is WHY even just a tiny modicum of foresight on the part of dictatorial politicians such as Mayor Duterte (along with those of his ilk, worldwide) wouldn't go amiss!
Surely, it'd make sense to provide comfortable [separate] indoorAreas in bars and/or eateries for folk wishing to indulge their habit.