do not agree. there are advantages of being friends with each type (if you understand strong sides). highly recommending this video YouTube
so as a friend they are nurturing, loyal, organized etc. it feels cool having friend like that so it's only about understanding how to interact. you don't go to crazy parties with introverted friends and most likely ask your extroverted friends out, cause you understand practically how to use that characteristic. the same with others N/S, F/T, J/P