A barely coherent complaint about Mbti

Srry, Idk how to categorize this one. It's just me bitching about how I don't understand the mbti, so click off if ure not into that.

For awhile now I've been seeing ppl putting their results from the mbti into their profiles and shit. Which never really bothered me, I figured it was kinda like zodiac signs and was just 4 fun. But yesterday in career studies (stupidest class ever), the teacher literally made us take the test and write about our results.

It was an easy A, but I can't get it out of my head. I cannot think of how my results in a 5 minute quiz will have any impact on my life at all, am I reading to deep into this or smthing????