Outdoor cafes/restaurant terraces that allow smoking effectively are marketing to smokers. Smokers generally stay longer (therefore may order more), and basically are giving themselves dopamine at this venue, therefore creating associations to possibly draw them back in the future. These places could just not provide ashtrays and could just not allow smoking, but they do allow it, because it's good for business.

If you really don't like it, you could just not visit these establishments. To these businesses, the benefit of allowing smoking doesn't outweigh the negatives (some people not liking it). Obviously you don't not like it enough to just not go there. Not a smoker, but i've never understood this puritanical attitude towards smoking and only smoking. Yeah, it's not great to breathe in an enclosed space, but in an outdoor space, I don't see how much worse it is than car exhaust, air quality, etc.

> If you really don't like it, you could just not visit these establishments.

Well I go inside, because there are no establishment in my area that ban smoking in their terrace.

> it's not great to breathe in an enclosed space, but in an outdoor space,

It is exactly the same unless there is significant wind is in a direction that push the fumes away. Obviously it depends on how tightly the tables are put as well but it is just super annoying. I have a friend whose eyes turn red immediately when exposed to tobacco product fumes and he suffers way more than I do.

Also it ruins the taste of food and drinks.

> I don't see how much worse it is than car exhaust, air quality

Usually those that are close to traffic and car exhaust are less popular than those that are less directly Unless you live in a complete smog, cigarettes/vapes fumes that goes directly to your face are always more annoying.

You would have compared to sweaty and smelly bodies in a dance club you would have got a point.