A fairly common conversation starter for eastern europeans is "how are you doing?", "it sucks", "yeah it does, doesn't it?". The American style of being all flowers and butterflies can indeed be perceived as lying.

To be fair we Americans also poke fun at this. Here in the South I usually say, “Can’t complain,” and most people will finish the adage, “and it wouldn’t do any good if you did.”

It is fine if it is not lying but so often you ask how are you and get the flowers and butterflies response but when you sit 10 min more they start explaining how miserable they are: as a Dutchman, I do tend to ask why they said how great and excellent they were just minutes ago. And no, it is not just something you do out of politeness: if you just canned response to one thing, how do I know you don't have canned responses to many more things which are in fact lies at this point in time? I don't want to talk with Zendesk, I want to chat with someone I just met in the pub.