I don't see it as applying my local laws. Everywhere I have ever seen that I can recall will explicitly spell out bicycles if they are prohibited. I have never seen a prohibition on "vehicles" that included bicycles. So I applied my understanding of the word vehicle. Of course I have not seen everywhere in the world, and the whole point of the survey is that people have to apply their own perspectives in order to even make a judgement, and this is the problem of content moderation.

The prohibition signs of the Vienna Convention are "No vehicles" (excludes cycles) and "No motor vehicles".

That also fits the English definition of a vehicle, which includes a bicycle.