Yes, you are right. There's not much sincerity. In the beginning it seemed to me that this is a wonderful place, without rudeness and aggression. But in fact, people do not rude to each other, because they do not want the flag. And under the posts whales writing blatant flattery. When a post is just nonsense, bad photos, but write "this is great, wow, you are super". It's funny for me to see it sometimes. Still every man for himself. With the rare exception of really sincere and open people.