I think "no one really knows what they are doing" is repeated too often and has more or less become meaningless. After are, there are people out there who know

I think "no one really knows what they are doing" is repeated too often and has more or less become meaningless. After are, there are people out there who know what they're doing. A better way to phrase it is "no one really has all the answers" or "everyone is making their way".