It is nice to be well thought of by others. It is nice to have many friends. It is nice to make others happy when you are around them. The hard cold fact is that if you manage to make everyone happy around you all of the time, you don't have any integrity. People are not happy when a person stands up and tells the truth, if that truth goes against what they are doing or want to do.
Integrity means calling sin, sin even when a friend or loved one is committing it.
Integrity is taking God's side even when it means you and God are the only two on that side of the fence. From a human stand point integrity can be a very lonely place. From a spiritual point of view it is a warm, loving, rewarding place to be, because you are in God's presence. Those people's God is a small being, no one to worry about today. Well if that fits you then maybe you don't really know God very well in the first place.