For some reason, my ISFP friend seems to dislike several people who we both have typed with almost complete certainty as ENF and most likely P in every case. We have confirmed this in some cases when they have taken a MBTI questionnaire and posted the results online.
Anyways, my question is, why is this the case? Is there a type basis for this phenomenon? ISFPs and ENFPs are not complete opposites, and I have always figured that types which only share one letter (excluding N or S), or no letters would have the most conflict. I don't know enough ENFPs and ISFPs closely to construct my own theory, and I haven't found much information specific to this issue. Has anyone else noticed or experienced this firsthand, and does anyone have an idea as to why this is the case?