This.Everybody is unique to some level and not all INTJs are going to be exactly the same in terms of attitude. Of course, we may be similar in terms of our decision-making processes, but other facets of our personality are going to be different.
I know 2 other INTJs in real life and if you put the three of us together, there are not many similarities until you get us thinking i.e. problem solving or theorizing.
I find it quite amusing.