"The Ugly Indian" [1] (a ragtag group of anonymous citizens) usually does that in India. In reality, though, these kinds of issues are only really seen as a minor inconvenience at most. Anecdotally, most middle-class people in here frown upon chewing tobacco, so I assume the government thinks that as long as they keep it relatively clean, nobody would think of dirtying it with their paan stains.

[1] - https://www.youtube.com/watch?v=tf1VA5jqmRo